While I don't have AR-10 specific handloading experience I have loaded quite a wide variance of burn speed powders in my AR-15 Varmint. Loaded from Benchmark / 52gr smk's (fast) to 80 gr / Varget (slowest). All combos cycled excellent with my millspec rifle length A2 gas system.
.308WIN handload powder suggestions .....
- Thread starter jimbob86
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