NOT KNOWN FACTS ABOUT CMMG MK57

56. More often than not, you can get exactly the same result for a lot less pounds and equivalent cost. Unless of course you’re married for the AR-15 ergos, there’s probably not a explanation to stick with a platform made to fire much more powerful rounds when micro PCCs really are a factor. (Like MP5K clones or Scorpion SBRs)The projectiles wo