By "special" I mean not compatible with most guns.
Lil'Gun is not an appropriate subsonic powder for normal 300 AAC BLACKOUT ARs because it does not generate enough gas pressure to cycle properly (I define "properly" as within Colt M4 specs for cyclic rate). I believe it cycles in your guns, but it would not hold up to testing under high speed video, in cold weather, when the rifle is dirty - etc. So I would never pick it as a factory load for use across lots of rifles.
We test our ammo from -40F to +160F.
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R&D for AAC
Last edited by rsilvers; 09-09-2011 at 08:02 PM.
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