PSA 16" 5.56 NATO 1/7 MID-LENGTH NITRIDE 15" LIGHTWEIGHT HEX M-LOK MOE EPT RIFLE KIT W/MBUS SIGHT SET, FLAT DARK EARTH

Barrel Length: 16" Gas System: Midlength Barrel Profile: A2 Barrel Steel: 4150 Chrome-Moly Vanadium Barrel Finish: Nitride Chrome Lining: None Muzzle Thread: 1/2-28 Chamber: 5.56 NATO Twist Rate: 1:7 Barrel Extension: M4 Diameter at Gas Block: .750 Gas Block Type: Low-profile Muzzle Device: A2 Flash Hider Receiver Material: Forged 7075 T6 Receiver Type: M4 Handguard Type: PSA 15" Lightweight Hex Full Picatinny M-Lok Rail Bolt Carrier Group Included: Yes Bolt Steel: Carpenter 158 Bolt Carrier Profile: Full-auto Charging Handle Included: Yes Optics: Magpul MBUS Front and Rear Flip-Up Sights, Black Fire Control Group: PSA Enhanced Polished Trigger (EPT) FCG Overall Length: 24.5" Weight: 4.0 lbs