In my opinion, H110 and Lil'Gun have no place in subsonic 300 AAC BLACKOUT loading for ARs as they don't make enough gas pressure to cycle the action with a gas port size which will also shoot supersonic ammo well. The powders are still good, but I would run them supersonic.
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R&D for AAC
Last edited by rsilvers; 08-23-2011 at 12:53 PM.
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