Quote:
Originally Posted by Donatello.
10 is noticeable. I run 55gr 5.56. rarely some 62gr. Just regular stuff like PMC Bronze, Winchester, Federal AE etc
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When shooting subsonic I want the heaviest bullet I can get. At standard velocities I think 5.56 and 300blk are similar. At subsonic velocities I would much rather have the 300blk due to the bullet weight and kenetic energy.