Lower receiver is fitted with A2-pattern pistol grip and M4-style collapsible buttstock on a Mil-Spec buffer tube. Free float hand guard with slim profile provides enhanced ergonomics. Features Picatinny rail at front and rear of rail at 12:00 and QD sling sockets on both sides. Magpul M-LOK accessory attachment slots along the 3:00, 6:00 and 9:00 positions with 8 intermediate slots on muzzle end. Threaded barrel features a 1/2"-28 threaded muzzle and is fitted with an A2 flash hider which can be removed to allow for use of other muzzle accessories. Specifications and Features: Stock: A2 Handguard: Partial Picatinny with M-LOK Attachment Slots Trigger: Mil-Spec Finish: Type III Hard Anodized/Nitrided Grip: AR-Style Sights: None Barrel Length: 16.10" Barrel Contour: Government Thread Pattern: 1/2"-28 Capacity: 30 Height: 7.25" Weight: 6.6 lb. Overall Length: 35.25" Length of Pull: 10.13" - 13.38"