PMC 62 Grain M855 5.56 NATO FMJ Ammo, 20 rounds, New (556K) Lax are just a few examples

are just a few examples of barrels that this round run accurately with

tight groupings

50 BMG) on our own Ammo Load Worldwide Mark X (pistol) and Mark L (rifle) systems

This results in better chamber alignment than standard belted magnum cartridges and allows for improved stacking and feeding from fixed magazines

PMC 62 Grain M855 5.56 NATO FMJ Ammo, 20 rounds, New (556K) Lax are just a few examplesThis round is one of the most reliable rifle rounds you can find. Tested by military and law enforcement around the world and being upheld to the exacting specifications required by such organizations and discriminating customers alike. PMC X TAC gives you the confidence to make the right choice.