5.56 NATO & .223 Ammunition5.56 NATO (XM193, M855, M855A1) and .223 Remington factory loads from Federal, Winchester, Hornady, and Prvi Partizan. 55gr, 62gr, and 77gr projectile weights for training, hunting, and match use.Related Categories5.56 NATO RiflesAR-15 RiflesTarget ShootingEvery firearm on this page ships direct from our Stafford, Texas facility to the transferring FFL dealer of your choice. California, New York, New Jersey, and Massachusetts-compliant configurations available on request. NFA items (suppressors, SBRs) require Form 4 processing through your transferring dealer.