Semi Automatic Rifle – 10mm Auto – 17 Rounds – 15 Threaded Barrel – Threaded Muzzle 9/16×24 TPI – Button Rifled 1:16 Twist – Accepts Standard GLOCK Magazines – Straight Blowback Operation – Ambidextrous bolt configurable for left or right hand – Ambidextrous ejection configurable for left or right side – 13 Freefloat KeyMod Handguard – Picatinny Top Rail Machined Into Receiver – Machined from 6061 T6 Aluminum – Standard M4 Buffer Tube 6 Position Buttstock and Pistol Grip – Utilizes Standard AR-15 Furniture and Trigger Components – 31-34.25 Overall Length – Black Finish