Never run 300blackout before and am planning to grab a 16" AAC upper that runs the carbine has system. I'm tossing around either a ubr or prs stock for the build, but wondering about cycle with the two buffers. Would I be better off with the shorter carbine buffer and going to a H/2/3 buffer or the longer A2 system. Recoil matters since I plan to do some varmint and hog hunting with it and would like to get rounds down range quickly on a 2-7 optic.
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