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PistolWhat length gas system?
I've found the supersonic rounds run fine out of 223/556 mags. It's the subsonic 220 gr rounds that seem to benefit most from the 300 blk specific mags.So far 125 and 150 grain ran very nice I started having the issue with the 220 grain
All ammo is AAC so far
I thank everybody for there input,Iam having feeding issues with 556 mags in my 300 blkout I tried several different makes of mags, magpul, Cproducts, hexmag and they all have the same issue , the bolt is not picking the round out of the mag going in to battery all the time.
Are magpul 300 blackout specific mags different than 556 magpul mags ?
Maybe if I try a different BCG!
ANY FEEDBACK IS WELCOME