Caliber: 5.56mm NATO/223 REM – Action: Gas Operated Semi Auto – Capacity: 3 0 +1 – Barrel Length: 7.5“ (19.05 cm) – Rifling: 1:7“ Twist – Front Sight: N/A – Rear Sight: N/A – Width: 2.0“ (5.08 cm) – Overall Height: 7.0“ (17.78 cm) – Overall Length: 23.5“ (59.7 cm) Collapsed 26.0“ (66.0 cm) Extended – Weight: 5.5 lbs. (2494.8 g) – Barrel Material: 4140 Steel – Barrel Finish: Armornite Finish – Interior & Exterior Receiver Material: 7075 Aluminum – Receiver Finish: Matte Black – OTHER FEATURES – Hodge rail free float handguard with M-LOK slots. – Adjustable arm brace with closure strap. – Full length Picatinny-style sail. – One-point QD sling swivel attachment point in arm brace. – (4) Interchangeable palmswell grip inserts. – Chromed fi ring pin. – Forged integral trigger guard. – Forward assist button. – Dust cover. – Threaded barrel with blast diverter. – 30 Round PMAG