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Posted: 4/9/2016 11:43:23 PM EDT
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I'm running a stock carbine buffer. My gun seems to like hotter loads and I'm thinking of moving to an H or H2 buffer. Is there much difference between an H and an H2? Other than the obvious weight?
I'm looking at these: http://palmettostatearmory.com/palmetto-state-armory-h-heavy-buffer.html http://palmettostatearmory.com/palmetto-state-armory-h2-heavy-buffer.html |
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Conventional wisdom is to use the heaviest buffer & spring that will reliably lock the bolt back after the last shot using the weakest ammo you regularly use.
My BCM 16" middy uppers are reliable w/an H2 buffer & Wolff XP spring, but I prefer the recoil impulse of the H2 & std spring. My wife's PSA 16" middy build uses an H3 buffer & std spring. All are 100% reliable using PMC Bronze .223 (my weak .223 test ammo). Tomac |
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To expand on my original reply: I have obtained a supply of Tungsten weights, and make certain that all carbine buffers have TWO tungsten and one steel weight, and then mark them 'H2'. The added mass both helps absorb the impulse of rearward bolt carrier travel, slows unlocking, and and ADDS a bit of forward inertia on the chambering, locking into battery. In short, a heavier buffer has a better chance of functioning in normal or adverse conditions, and reduces the chance of malfunction from extraction problems, ie stuck case, broken rim. cold weather, dirty chamber, tungsten saves the day. |
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Quoted:
Dont forget to compliment that h2 with a Blue Sprinco spring.  Perhaps but with my rifle being under 6lbs naked and all the light weight rifles/parts out I'd recommend against the higher power springs. They cause the muzzle to dip and possibly a titer totter effect. |
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