ACR Forum banner
14.5 barrel
1-1 of 1 Results
  1. ACR Technical Discussion
    My employee/trainee gunsmith and I are having a little argument about cutting down my barrel on my personal ACR from 16 inch to 14.5 then pinning the flashhider so no form 1 is involved. Now after the barrel is cut and threaded, is it necessary to increase the port hole in the barrel and if...
1-1 of 1 Results
Top