Product Information PMC Ammunition 5.56x45mm NATO Ammo 55 Grain Full Metal Jacket 20 rounds per box/1000 per case (Free Shipping) Details: PMC X-Tac 5.56mm NATO ammo for sale is a new production ammo that features 55 Grain FMJ bullet. 5.56mm ammo made by PMC is reloadable, features brass cases and Boxer primers. This ammunition is …