I've been running an H2 with a sprinco blue spring. It took a few rounds before it would lock back on PMC but it seems to cycle it now though the ejection is around 5. It still short strokes on Tula, but I only use that stuff as a test. BMC recommends an H, so I picked one up but haven't tried it yet.
I'm thinking that may be the sweet spot for this particular rifle As others have indicated the optimal buffer weight is mostly specific to individual rifles. It is almost a trial and error type of thing. An H will probably work just fine as would a carbine. But you may be able to go heavier if you feel the need after experimenting with it. Way back when before there were so many options with buffers, springs, and gas blocks it was much more simple.
If your rifle functioned you just shot it as is and were happy. Now there is almost too much overthinking and it can get complicated. Quoted: As others have indicated the optimal buffer weight is mostly specific to individual rifles. Quoted: My newest build with my Quoted: I've been running an H2 with a sprinco blue spring. Quoted: Your gun is undergassed and barely running.
Borderline functional and not reliable. View Quote View All Quotes. Quoted: Quoted: I've been running an H2 with a sprinco blue spring. Quoted: It may very well be. But I'll replace the h2 with an h, as bcm suggests, toss another rounds or so of 5.
Quoted: Quoted: Quoted: I've been running an H2 with a sprinco blue spring. Heard something recently that the Spikes buffers with the powder in them actually don't prevent carrier 'bounce' like they're supposed to.
Hearing a lot of 'Spikes' in here, just wondering if anyone has heard that and researched the issue. Quoted: Fun little story So they had to start sending people out standard weight buffers to get those guns running right.
BCM took it too far with 'flat shooting' back when heavy buffers and mid length gas systems were both getting 'tactical' at the same time. They sold bad guns. Maybe you have one of those? I'm looking for maximum reliability across the board. Most of your Slower cycling will reduce the amount of recoil from the bolt carrier slamming to the rear.
Then reduce it from muzzle dipping from bouncing when it slams home. Personally I run an H2 in my Sent from my iPhone using Tapatalk. My friend lives in a free state and has a Commando setup. You can shoot it as fast as you want and the front sight doesn't move off target unless you push or pull it off with you trigger finger. It's amazing, as fast as you can shoot it, were you aim it is were they go! I understand everything is a compromise. I don't know much about gas Piston systems as I've never messed around with one.
The couple I've shot did in fact recoil a little more than most all DI's I've shot. I don't want to recommend anything for the Stag since I don't know enough about it. I would go one of two routes. Purchase a H2 buffer and a Blue Sprinco Spring. If you are able to cycle weak steel case ammo with this combo then purchase a H3 buffer and try that. You have another rifle in the Core 15 that will have no problem running the H3 buffer so don't worry about wasting money.
It is a buffer tube that is a little longer to accommodate the rifle sized buffer. The spring is also longer as well. Exactly what I was looking for and a good place to start! Thank you sir! I've been thinking about this myself today. I have Clandestine cutting down a 20" barrel for me to 18". He is going to check the gas port and test it but I'm wondering if the standard A2 rifle buffer weight will be too much.
Ill test it to tell you what buffer it likes. All I need is some test ammo that you normally shoot. Different ammo dictates the buffer. There is no one solution unless you go light and allow the gun to be overgassed with hotter ammo. If you don't you flawlessly tuned warm weather gun will choke when its cold outside. Adding a Suppressor will change the optimal buffer weight as well.
Mike Pannone: the big m4 myth good read from a few years ago. Otherwise a solid writeup IMO. H3 wont run in every AR though. Am I missing something? Where the heck did his conclusion come from? He had all the upgrades he said would make the rifle more reliable and fouling is exactly what caused the rifles issues granted no one will run their rifle dry and dirty for 2.
And Chad I am not trying to be an arse, I really don't understand how he made the jump from the results of his test the rifle failed due to fouling, to his conclusion: fouling isn't the issue, parts are.
I agree, its a lil round-about. I think what he was trying to convey is that the AR isn't as susceptible to failing from Carbon buildup as people claim it will. I agree with him, BUT Search titles only. Search Advanced search…. New posts. Search forums. Log in. Install the app. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an alternative browser. When to Use a Heavy Buffer Joined Jan 11, Messages 5, Likes In what rifle configuration would you want to use a heavy buffer? I've got a couple builds in the works, and am curious when you would want to use a heavy buffer and what effects your decision. Is it the gas system length plus the buffer tube length?
Just the gas system? The two builds are: I'm running a Any input is appreciated. Joined Nov 5, Messages 6, Likes It really takes experimentation to see what works or doesn't work with your particular setup. For your example with the I have a similar setup and started with the carbine buffer, but after some reading and research opted to try an H1, which slows it down just a bit, and the added mass softens the recoil a bit more. It has been super reliable, so I plan to leave it permanently.
A lot of guys seem to like the Spike's T2, which uses tungsten powder and is similar in weight to what I'm running. Hope this helps. Thanks for the info.
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