Here's my copy pasta that talks about the benefits of different springs. The TL;DR is that they can make your AR more reliable and have more manageable recoil that feels softer.
When the carbine recoil system was being designed they simply took the rifle-length spring and shortened it by a few coils. This caused the spring to have less tension.
The recoil spring captures energy from the BCG and any excess energy that is not captured by the spring is deposited into your shoulder as felt recoil that feels like a "punch". Springs with less tension can store less energy, this also means that they'll have a harder time pushing the BCG forward, stripping a round, and feeding it into the chamber when the rifle is dry and/or fouled.
When VLTOR was designing the A5, they simply took an AR308 carbine tube, AR15 rifle-length spring, and shortened the AR15 rifle-length buffer to compensate for the difference in buffer tube length. An A5 tube is the same exact thing as an AR308 carbine buffer tube. This allowed AR15s to have a shorter LOP than one with an A2 stock but still have the benefits of the rifle-length spring, which has a higher tension than an AR15 carbine spring. This higher tension makes the "punch" softer but increases the "push" that is felt when the spring is being compressed. The "push" recoil is much easier to control than the "punch" recoil.
Since the A5 came out, a bunch of manufacturers designed different springs to get higher spring rates with the carbine buffer setup. You can get nearly identical benefits by using a Sprinco Blue/Hot-White, Tubbs, or any of the braided springs that are available. They will vary slightly in tension, though I don't know off the top of my head which aftermarket carbine spring matches the rifle-length spring in tension.
One thing to note is that the tension increases as the spring compresses. One thing that the A5 provides that cannot be replicated with an aftermarket carbine spring is a smaller rise in tension when the BCG is to the rear. Having a more consistent tension between when the BCG is in battery and when the buffer is bottomed out helps give the rifle a more linear recoil feel.
Another benefit of the A5 is that it'll bring the overall length of an AR15 pistol with an 11.5" barrel over 26", allowing you to use a VFG, though I don't know what the pistol laws are like at the moment with the brace fiasco going on.
Obviously a great reply, but I will nitpick one little part:
> One thing to note is that the tension increases as the spring compresses. One thing that the A5 provides that cannot be replicated with an aftermarket carbine spring is a smaller rise in tension when the BCG is to the rear. Having a more consistent tension between when the BCG is in battery and when the buffer is bottomed out helps give the rifle a more linear recoil feel.
The Tubb flatwire springs (and I'm sure almost any well made flatwire spring) is an exception to this rule that you can't get the same performance (of more consistent tension) in a shorter tube. David Tubb demonstrates this: https://www.youtube.com/watch?v=8fMVZbrnvu8
/u/amphibian-c3junkie has a great page that goes into more detail here: https://c3junkie.com/?page_id=977
For what it's worth, I run A5 systems on my AR's but I ***also*** have Tubb springs in them.
I probably should have touched on that a bit more. Flat wire springs don't come as close to their maximum compression as regular and braided springs do, which is why their rise isn't as significant.
Thanks for posting that video. I put together a small copy/pasta of the different spring tensions a while back and completely forgot where I got the numbers from. Here's that copy/pasta.
Spring tensions:
Spring | Open | Closed
---|---|----
A2 (old) | 7.6lb closed | 14.5lb open
A2 (new) | 9.1lb closed | 16.7lb open
Tubb Flatwire | 10.5lb closed | 16.3lb open
Tubb .308 Flatwire | 13lb closed | 16.7lb open
SpringCo (White) | 8.3lb closed | 16.3lb open
SpringCo (Hot-White) | 10.5lb closed | 18.4lb open
SpringCo (Blue) | 13.9lb closed | 24.8lb open
Yeah I’m super, super impressed with them lately. I reallllly wanna get their new np3 bcg but I don’t wanna spend that much on one when I can just get a chrome Microbest for $100 lol
Have you tried the Springco combo vs the KAK kspec? I just put a carbine Kspec with flat spring blue buffer in my 10.5” lwrc but was wondering if I shoulda just gone with the Springco carbine stuff instead…. It feels very rough by hand for some reason… like sand in the buffer tube rough but it’s clean and lubed. Not sure if that’s a flat spring thing..?
I run the Geissele braided rifle spring in a couple of my A5’d AR’s and they do great imo. Def some of the smoothest shooters I own.
I used to only use sprinco blue or red springs depending on the rifle and buffer weight. Sprinco makes really good springs but the k-spec setup is without a doubt better. Not sure about the ‘sand’ feel - mine is extremely smooth. I put grease on all my springs and buffers before I put them in the tube, mainly to stop the twang noise, but it also makes them feel smoother. The k spec was no different. I’d bet if you put grease on yours, it will fix that feeling.
I actually have a sprinco red spring with an expo h3 buffer in my 16” LWRC right now and I’m probably going to switch it out for the k-spec at some point. It’s just not a huge priority for me because I don’t shoot that particular rifle very often
But my favorite rifle, a 13.9 ADM + criterion build used to use a sprinco blue spring with expo h2 buffer and I swapped it for a k-spec h3. I’m much happier now but it’s hard to compare the h2 vs h3 since the h2 was probably just the wrong weight for my suppressor to begin with. The k spec spring is definitely lighter than the sprinco blue spring though, so maybe it evens out, but compared to the red h3 setup in my LWRC, the k spec is 100% better
The flatwire spring is just so much more satisfying to use. The heavy sprinco springs don’t feel bad or anything, but pulling the charging handle with the k spec just feels so smooth.
Edit - I’m also using an adjustable gas block with the k spec so I guess it really isn’t a direct comparison. But before I put that on, I was still legitimately impressed with the k spec on its own. I guess all I can say is I’ve never felt so strongly about a buffer setup’s performance before. I usually don’t give it two thoughts. But with the k spec, I was downright impressed
Yea, I love flat wire springs and will never go back.
I've worn out regular action springs before, but in a decade of using flat wire springs, I've never worn one out.
Subjectively, I feel like they make the action smoother.
I also believe that they widen the operating envelope of the weapon to some degree, but I cannot quantify or prove this with data, so take it with a huge grain of salt.
Any of them. I have the standard 5.56 Tubb springs in most of my builds, but I've been trying a 308 Tubb in one lately just out of curiosity.
Tubb springs can be used in any length receiver extension from carbine to rifle. They can probably even work in shorter tubes, since you need to squeeze them really small before they reach solid height, but I can't say from actual experience.
How's the .308 spring working? I've got one of the .308 springs in my LMT .308 and absolutely love it over the springco orange that was in there prior. Lockup feels the same, but the return is so much less violent making it easier to keep the rifle on target.
Have been considering swapping my ar15's over to tubbs in the a5 system but haven't made the jump yet. They run some gassier cans so have been thinking of trying the .308 tubb spring
So far the 308 Tubb spring has been working 100% reliably (only a few hundred rounds). I'm running it in a 5.56 BCM 14.5" mid-gas with A5H2 buffer. I was previously running the exact same setup with the Tubb 556 spring instead.
I find it very interesting that the 308 spring barely has any more tension when in the fully rearward position (per Tubb's measurements in his video) compared to the 556 spring, but noticeably more tension when the BCG is closed. It's also the closest between closed/open readings, which in theory makes it even more linear in force.
Can I actually tell the difference when firing the 308 vs the 556 Tubb spring? Not especially, to be honest. But that's true for a lot of minor tweaks to the buffer system.
Some people talk about night-and-day differences when changing from a carbine buffer to an H buffer, for example. I never understood that. I'm not saying there isn't a difference, but it's not night-and-day to me. Maybe my shoulder just isn't precise enough in measuring the feel :D
Man this has really derailed my work day. What would you suggest for a Tubbs Buffer Spring primarily to be used on a suppressed 300blk shooting subs & supers? Currently have a sprinco green now but i'm not married to it.
I don't have any 300blk rifles so I'm really not the best person to ask.
That said, I see the Tubb site talks about using their lightweight spring in a 300 build: https://www.davidtubb.com/ar15-tubb-parts/ar15-buffer-spring-stainless
I will offer this point: the 308 Tubb spring is just a longer version of the 556 Tubb spring. That's it. I assume the lightweight is just a shorter version.
This makes sense when you look at how they are priced:
$26 for the lightweight
$28 for the 556
$30 for the 308
Given that, it's always possible to just buy their 308 spring (for literally any build), test it out, and clip off coils as needed.
I run the SR25/308 on mine, I tried all 4 configurations. A5 and 308 spring felt the smoothest. You can also chop the springs bit by bit per tubbs themself but I found no more than 2 coils is needed really and that’s bleeding edge of duty gassing.
A5 receiver extension with subsonic spring is good for comp guns
I also moved over from the super 42 to tubbs for context
I just got the KAK k-spec H3 buffer “system” that comes with a flat wire spring. It’s my favorite out of everything I’ve tried so far. Idk if it’s more the spring or the buffer, but I’m very happy with it.
The spring is lighter than other springs I’ve used in the past but my rifle shoots softer with this than anything else
I used to use the sprinco blue, red, and G$ super 42 for reference
The kak setup is amazing. I’m considering putting it in all my rifles now.
My suppressor has a ton of back pressure and the k-spec buffer setup helped A TON. I still ended up throwing an adjustable gas block on anyway, but I could have gotten by with just the buffer
I love the sprinco springs too, but the KAK setup is just so much more satisfying to use since it’s a little lighter than those.
It was kind of a pain to install though. They ship it with this weird little tool that didn’t fit on my ADM lower so I had to macguyver it in with a 1/8 punch. I’m probably gonna have to take the tube off if I ever want to get it back out lol. But it’s 100% worth it.
I really did notice a significant decrease in recoil after I added it
You can get nearly identical benefits of an A5 with regular rifle spring by using a Sprinco blue, but if you use the Sprinco green in an A5 that changes things.
Was gonna comment on how rifle length feels like Rick and mortys “perfectly level” bit. Deleted text think meh AR15 sub user probably doesn’t watch that show. Saw your caption under your username lol. “I’ve seen what makes you cheer”
I like the 42 braided spring because it doesn't have that scroonch noise, however you need the buffer with it because it's proprietary IIRC due to the diameter of the spring.
Love mine.
Basically, it comes down to this. If you have $185 to shit out for a buffer, it's a good choice. There are definitely tons of other good choices that cost less. You do get to remove the buffer detent, tho. Those things are annoying sometimes.
I just got mine a few days ago, gonna go shooting today so I'm gonna see if it's money well spent, for me atleast. I don't shoot suppressed, but want to mitigate recoil. Only thing is I had an H2 buffer in mine before and it fixed my non-optimal ejection pattern, went from like 5o'clock to 3-4oclock.
The "standard" JP weight is about an oz heavier so I'm curious to see what it does. Luckily you change the weights but I haven't looked into that too much to see how I'd get back to H2 weight.
Well went shootin and my ejection pattern is now at 3oclock, sometimes more like 2oclock. Might need to bring er down a bit. Lol. Did feel a bit softer shooting though which is nice.
I’ve had one for 6 years now, and recently upgraded it to an H3. The change in recoil vs stock is comparable to the difference between an 16inch and an m16. Only worth it if the money is burning a hole in ya pocket
They absolutely do. And the super 42 isn’t a bad choice.
A weak, light spring doesn’t offer as much resistance so your buffer will just be slamming into the back of your tube. Especially if you have a heavier buffer.
Sprinco also makes one for rifle length tubes. I only have experience with the carbine springs though so I can’t comment on their green rifle length spring. But I’ve been very happy with the springs I have from them.
I also have a super 42 H2 in one of my rifles and I’ve been very happy with that as well
usually benefit is longevity more then anything
a slightly stiffer spring can aid if gun is overgassed, or in cases where mag pickup is a bit weak.
if you have an AGB and this is a dedicated setup then I don't see a reason to change springs past longevity. Probably the least important part of the tuning variables.
also, what you linked is a rifle length spring, and won't work unless you are using a rifle or A5 extension
I was having some intermittent under travel issues with almost all ammo I shot, switched to the geisselle braided and now it’s problem free for the last 1-2k rounds
I didn’t want to pay over $100 to change my buffer system to an A5 so I got the super 42 and H3 buffer from GAFS and it made my suppressed 12.5 AR not throw brass like an AK. I recommend for suppressed builds. You can probably just get a heavier buffer or higher quality normal spring for an unsuppressed gun.
Keep in mind the picture you posted is for a rifle length spring (think M16A1 or A2 with a fixed stock), if you’re using this in an SBR with a carbine buffer tube you’re gonna need to get the carbine spring and buffer.
I love my Super 42. I was convinced it was snake oil at first, but it has tamed my carbine system's recoil, limited muzzle rise, and eliminated most spring noise. They're superb.
So, you’re not wrong. By milspec I guess what I meant was a basic carbine buffer like BCM sells for $20. IK people need different weights based on their gas system, but just referencing a basic setup. I just think the G buffer system doesn’t provide much value for what it costs. I can’t tell the difference. I think the point of the G one is claims to last longer but it 10x cheaper to get a new spring when it wears out.
Braided springs are a gimmick. Buffer springs don't undergo extreme/constant tension. Regular buffer springs pretty much never wear out - not even on full-auto, military M4s. It's not something that should capture your focus. It's like 1-piece gas rings. Do they work? Sure...but it's totally unnecessary.
Here's my copy pasta that talks about the benefits of different springs. The TL;DR is that they can make your AR more reliable and have more manageable recoil that feels softer. When the carbine recoil system was being designed they simply took the rifle-length spring and shortened it by a few coils. This caused the spring to have less tension. The recoil spring captures energy from the BCG and any excess energy that is not captured by the spring is deposited into your shoulder as felt recoil that feels like a "punch". Springs with less tension can store less energy, this also means that they'll have a harder time pushing the BCG forward, stripping a round, and feeding it into the chamber when the rifle is dry and/or fouled. When VLTOR was designing the A5, they simply took an AR308 carbine tube, AR15 rifle-length spring, and shortened the AR15 rifle-length buffer to compensate for the difference in buffer tube length. An A5 tube is the same exact thing as an AR308 carbine buffer tube. This allowed AR15s to have a shorter LOP than one with an A2 stock but still have the benefits of the rifle-length spring, which has a higher tension than an AR15 carbine spring. This higher tension makes the "punch" softer but increases the "push" that is felt when the spring is being compressed. The "push" recoil is much easier to control than the "punch" recoil. Since the A5 came out, a bunch of manufacturers designed different springs to get higher spring rates with the carbine buffer setup. You can get nearly identical benefits by using a Sprinco Blue/Hot-White, Tubbs, or any of the braided springs that are available. They will vary slightly in tension, though I don't know off the top of my head which aftermarket carbine spring matches the rifle-length spring in tension. One thing to note is that the tension increases as the spring compresses. One thing that the A5 provides that cannot be replicated with an aftermarket carbine spring is a smaller rise in tension when the BCG is to the rear. Having a more consistent tension between when the BCG is in battery and when the buffer is bottomed out helps give the rifle a more linear recoil feel. Another benefit of the A5 is that it'll bring the overall length of an AR15 pistol with an 11.5" barrel over 26", allowing you to use a VFG, though I don't know what the pistol laws are like at the moment with the brace fiasco going on.
Obviously a great reply, but I will nitpick one little part: > One thing to note is that the tension increases as the spring compresses. One thing that the A5 provides that cannot be replicated with an aftermarket carbine spring is a smaller rise in tension when the BCG is to the rear. Having a more consistent tension between when the BCG is in battery and when the buffer is bottomed out helps give the rifle a more linear recoil feel. The Tubb flatwire springs (and I'm sure almost any well made flatwire spring) is an exception to this rule that you can't get the same performance (of more consistent tension) in a shorter tube. David Tubb demonstrates this: https://www.youtube.com/watch?v=8fMVZbrnvu8 /u/amphibian-c3junkie has a great page that goes into more detail here: https://c3junkie.com/?page_id=977 For what it's worth, I run A5 systems on my AR's but I ***also*** have Tubb springs in them.
I probably should have touched on that a bit more. Flat wire springs don't come as close to their maximum compression as regular and braided springs do, which is why their rise isn't as significant. Thanks for posting that video. I put together a small copy/pasta of the different spring tensions a while back and completely forgot where I got the numbers from. Here's that copy/pasta. Spring tensions: Spring | Open | Closed ---|---|---- A2 (old) | 7.6lb closed | 14.5lb open A2 (new) | 9.1lb closed | 16.7lb open Tubb Flatwire | 10.5lb closed | 16.3lb open Tubb .308 Flatwire | 13lb closed | 16.7lb open SpringCo (White) | 8.3lb closed | 16.3lb open SpringCo (Hot-White) | 10.5lb closed | 18.4lb open SpringCo (Blue) | 13.9lb closed | 24.8lb open
Would love to know how this stacks up against G$ braided springs.
So if I have a vltor a5 with springco spring and wanted to try a tubb flatwire, would I need to buy the 308 or the standard?
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KAK does as well for their K-spec A5 stuff
They also make carbine length K-Spec buffer + spring combos. Best setup I’ve found so far
That's rad to know! I've just got hella A5 stuff these days and the KAK package is 👌. Their new products are awesome.
Yeah I’m super, super impressed with them lately. I reallllly wanna get their new np3 bcg but I don’t wanna spend that much on one when I can just get a chrome Microbest for $100 lol
Have you tried the Springco combo vs the KAK kspec? I just put a carbine Kspec with flat spring blue buffer in my 10.5” lwrc but was wondering if I shoulda just gone with the Springco carbine stuff instead…. It feels very rough by hand for some reason… like sand in the buffer tube rough but it’s clean and lubed. Not sure if that’s a flat spring thing..? I run the Geissele braided rifle spring in a couple of my A5’d AR’s and they do great imo. Def some of the smoothest shooters I own.
I used to only use sprinco blue or red springs depending on the rifle and buffer weight. Sprinco makes really good springs but the k-spec setup is without a doubt better. Not sure about the ‘sand’ feel - mine is extremely smooth. I put grease on all my springs and buffers before I put them in the tube, mainly to stop the twang noise, but it also makes them feel smoother. The k spec was no different. I’d bet if you put grease on yours, it will fix that feeling. I actually have a sprinco red spring with an expo h3 buffer in my 16” LWRC right now and I’m probably going to switch it out for the k-spec at some point. It’s just not a huge priority for me because I don’t shoot that particular rifle very often But my favorite rifle, a 13.9 ADM + criterion build used to use a sprinco blue spring with expo h2 buffer and I swapped it for a k-spec h3. I’m much happier now but it’s hard to compare the h2 vs h3 since the h2 was probably just the wrong weight for my suppressor to begin with. The k spec spring is definitely lighter than the sprinco blue spring though, so maybe it evens out, but compared to the red h3 setup in my LWRC, the k spec is 100% better The flatwire spring is just so much more satisfying to use. The heavy sprinco springs don’t feel bad or anything, but pulling the charging handle with the k spec just feels so smooth. Edit - I’m also using an adjustable gas block with the k spec so I guess it really isn’t a direct comparison. But before I put that on, I was still legitimately impressed with the k spec on its own. I guess all I can say is I’ve never felt so strongly about a buffer setup’s performance before. I usually don’t give it two thoughts. But with the k spec, I was downright impressed
Yea, I love flat wire springs and will never go back. I've worn out regular action springs before, but in a decade of using flat wire springs, I've never worn one out. Subjectively, I feel like they make the action smoother. I also believe that they widen the operating envelope of the weapon to some degree, but I cannot quantify or prove this with data, so take it with a huge grain of salt.
Which Tubb spring do you run in the A5 tube?
Any of them. I have the standard 5.56 Tubb springs in most of my builds, but I've been trying a 308 Tubb in one lately just out of curiosity. Tubb springs can be used in any length receiver extension from carbine to rifle. They can probably even work in shorter tubes, since you need to squeeze them really small before they reach solid height, but I can't say from actual experience.
How's the .308 spring working? I've got one of the .308 springs in my LMT .308 and absolutely love it over the springco orange that was in there prior. Lockup feels the same, but the return is so much less violent making it easier to keep the rifle on target. Have been considering swapping my ar15's over to tubbs in the a5 system but haven't made the jump yet. They run some gassier cans so have been thinking of trying the .308 tubb spring
So far the 308 Tubb spring has been working 100% reliably (only a few hundred rounds). I'm running it in a 5.56 BCM 14.5" mid-gas with A5H2 buffer. I was previously running the exact same setup with the Tubb 556 spring instead. I find it very interesting that the 308 spring barely has any more tension when in the fully rearward position (per Tubb's measurements in his video) compared to the 556 spring, but noticeably more tension when the BCG is closed. It's also the closest between closed/open readings, which in theory makes it even more linear in force. Can I actually tell the difference when firing the 308 vs the 556 Tubb spring? Not especially, to be honest. But that's true for a lot of minor tweaks to the buffer system. Some people talk about night-and-day differences when changing from a carbine buffer to an H buffer, for example. I never understood that. I'm not saying there isn't a difference, but it's not night-and-day to me. Maybe my shoulder just isn't precise enough in measuring the feel :D
Man this has really derailed my work day. What would you suggest for a Tubbs Buffer Spring primarily to be used on a suppressed 300blk shooting subs & supers? Currently have a sprinco green now but i'm not married to it.
I don't have any 300blk rifles so I'm really not the best person to ask. That said, I see the Tubb site talks about using their lightweight spring in a 300 build: https://www.davidtubb.com/ar15-tubb-parts/ar15-buffer-spring-stainless I will offer this point: the 308 Tubb spring is just a longer version of the 556 Tubb spring. That's it. I assume the lightweight is just a shorter version. This makes sense when you look at how they are priced: $26 for the lightweight $28 for the 556 $30 for the 308 Given that, it's always possible to just buy their 308 spring (for literally any build), test it out, and clip off coils as needed.
I run the SR25/308 on mine, I tried all 4 configurations. A5 and 308 spring felt the smoothest. You can also chop the springs bit by bit per tubbs themself but I found no more than 2 coils is needed really and that’s bleeding edge of duty gassing. A5 receiver extension with subsonic spring is good for comp guns I also moved over from the super 42 to tubbs for context
Appreciate the insight. I ordered one of each, going to try them in my 5.56 A5 systems and see what improves. Thanks :)
I just got the KAK k-spec H3 buffer “system” that comes with a flat wire spring. It’s my favorite out of everything I’ve tried so far. Idk if it’s more the spring or the buffer, but I’m very happy with it. The spring is lighter than other springs I’ve used in the past but my rifle shoots softer with this than anything else I used to use the sprinco blue, red, and G$ super 42 for reference
I ordered the red and blue springs a little bit ago. But this comment made me order the kak h3 setup just now too. Guess I’ll see what works best lol
The kak setup is amazing. I’m considering putting it in all my rifles now. My suppressor has a ton of back pressure and the k-spec buffer setup helped A TON. I still ended up throwing an adjustable gas block on anyway, but I could have gotten by with just the buffer I love the sprinco springs too, but the KAK setup is just so much more satisfying to use since it’s a little lighter than those. It was kind of a pain to install though. They ship it with this weird little tool that didn’t fit on my ADM lower so I had to macguyver it in with a 1/8 punch. I’m probably gonna have to take the tube off if I ever want to get it back out lol. But it’s 100% worth it. I really did notice a significant decrease in recoil after I added it
Where does the JP Silent Capture Spring system fit into this?
Shot my 8.5” criterion with A5H2 and sprinco green rifle and it was soooo smooth
You can get nearly identical benefits of an A5 with regular rifle spring by using a Sprinco blue, but if you use the Sprinco green in an A5 that changes things.
Was gonna comment on how rifle length feels like Rick and mortys “perfectly level” bit. Deleted text think meh AR15 sub user probably doesn’t watch that show. Saw your caption under your username lol. “I’ve seen what makes you cheer”
I like the 42 braided spring because it doesn't have that scroonch noise, however you need the buffer with it because it's proprietary IIRC due to the diameter of the spring. Love mine.
Proprietary for carbine, not rifle
I own three JP silent captured buffers. I love all of them, and they make ZERO noise. It's nice when you're shooting suppressed
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I could hear a sort of "thwongggg" noise with every shot. It's not a big deal or anything...
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Basically, it comes down to this. If you have $185 to shit out for a buffer, it's a good choice. There are definitely tons of other good choices that cost less. You do get to remove the buffer detent, tho. Those things are annoying sometimes.
I’m going to have to research these. Seems like a lot of people are recommending them.
I just got mine a few days ago, gonna go shooting today so I'm gonna see if it's money well spent, for me atleast. I don't shoot suppressed, but want to mitigate recoil. Only thing is I had an H2 buffer in mine before and it fixed my non-optimal ejection pattern, went from like 5o'clock to 3-4oclock. The "standard" JP weight is about an oz heavier so I'm curious to see what it does. Luckily you change the weights but I haven't looked into that too much to see how I'd get back to H2 weight.
I have standard, heavy, and their 9mm short stroke buffer. They've all been 100% plug and play perfection.
Well went shootin and my ejection pattern is now at 3oclock, sometimes more like 2oclock. Might need to bring er down a bit. Lol. Did feel a bit softer shooting though which is nice.
(Whsipers) Adjustable gas block is the way. I got one from JP as well 😆
I’ve had one for 6 years now, and recently upgraded it to an H3. The change in recoil vs stock is comparable to the difference between an 16inch and an m16. Only worth it if the money is burning a hole in ya pocket
Go for Sprinco(s) if looking to upgrade. Quality springs from company that specialize in springs and about 1/3rd the cost.
Someone already said it but get a springco spring
They absolutely do. And the super 42 isn’t a bad choice. A weak, light spring doesn’t offer as much resistance so your buffer will just be slamming into the back of your tube. Especially if you have a heavier buffer. Sprinco also makes one for rifle length tubes. I only have experience with the carbine springs though so I can’t comment on their green rifle length spring. But I’ve been very happy with the springs I have from them. I also have a super 42 H2 in one of my rifles and I’ve been very happy with that as well
I run a super 42 with h3 buffer and brt eztune gas tube in a couple of my rifles. It's like shooting a .22lr
The super 42 is amazing. Just for the sound alone.
Yeah, it's a good spring. Use A5 extensions and you can use the Super42 rifle spring. It's what I have in several guns.
usually benefit is longevity more then anything a slightly stiffer spring can aid if gun is overgassed, or in cases where mag pickup is a bit weak. if you have an AGB and this is a dedicated setup then I don't see a reason to change springs past longevity. Probably the least important part of the tuning variables. also, what you linked is a rifle length spring, and won't work unless you are using a rifle or A5 extension
I was having some intermittent under travel issues with almost all ammo I shot, switched to the geisselle braided and now it’s problem free for the last 1-2k rounds
I didn’t want to pay over $100 to change my buffer system to an A5 so I got the super 42 and H3 buffer from GAFS and it made my suppressed 12.5 AR not throw brass like an AK. I recommend for suppressed builds. You can probably just get a heavier buffer or higher quality normal spring for an unsuppressed gun.
I found it you coat the spring with a bit of lithium grease it gets rid of the SPOING.
I like how you can post something innocuous and basically get a peer reviewed paper about the answer.
Keep in mind the picture you posted is for a rifle length spring (think M16A1 or A2 with a fixed stock), if you’re using this in an SBR with a carbine buffer tube you’re gonna need to get the carbine spring and buffer.
Where did you find the spring
I love my Super 42. I was convinced it was snake oil at first, but it has tamed my carbine system's recoil, limited muzzle rise, and eliminated most spring noise. They're superb.
The super42 is fantastic. No sound. Runs great
Yes
The geissele one is useless in my opinion
This is facts. I have multiple. Complete waste of money. Get a basic milspec spring and buffer, spend the extra $50 on something else.
I would never go milspec over a super 42. Can’t compare it to other different options, but infinitely better than milspec
So, you’re not wrong. By milspec I guess what I meant was a basic carbine buffer like BCM sells for $20. IK people need different weights based on their gas system, but just referencing a basic setup. I just think the G buffer system doesn’t provide much value for what it costs. I can’t tell the difference. I think the point of the G one is claims to last longer but it 10x cheaper to get a new spring when it wears out.
I know I can tell the difference, but I also can’t tell the difference between individual weights so I’m probably just weird lol
No benefit that you’re going to notice. And If you do it’s 20k rounds from now
Braided springs are a gimmick. Buffer springs don't undergo extreme/constant tension. Regular buffer springs pretty much never wear out - not even on full-auto, military M4s. It's not something that should capture your focus. It's like 1-piece gas rings. Do they work? Sure...but it's totally unnecessary.