Features Include: AR-556 Pistol, 5.56 NATO, Capacity: 30, 10.5" Barrel Length, 25.3"-27.9" Overall Length, Weight: 6.2 lb, Type III Hard Coat Anodized Finish, Free-Float Handguard with M-LOK Attachment Slots, SB Tactical SBA3 Pistol Stabilizing Brace, No Sights, 5 Grooves, 1/2"-28 Thread Pattern, 1:8" RH Twist, Includes: One 30-Round Magpul PMAG.