FN Herstal Firearms banner
1-1 of 1 Results
  1. Black Rifle Room
    Does anyone have any thoughts on the AR57? With all the new AR type platforms that use the 5.7 cartridge and the Mac in 5.7 is the AR57 still a good platform or is it outdated? Pros -Takes PS90 Mags -Ejects spent brass downward -Ability to utilize hollowed out STANAG mag as brass catcher...
1-1 of 1 Results