Palmetto State Armory PA-15, AR15/M4 Semi-Auto, Heavy Stainless Steel 16" Barrel chambered in 5.56 NATO with a 1:7" twist, A2 Flash Hider. Forged 7075-T6 A3 AR upper and lower are machined to MIL-SPECS and hard coat anodized. Full Auto PSA Marked Bolt Carrier Group. Magpul Handguard, Grip, and 6 Position Collapsible Stock, Rear Flip Up Sight, 100% Made in USA. Comes with one 30 round magazine in original padded box. These AR's shoot accurately and reliably.