PSA 20" .224 VALKYRIE 1/6.5 SS RIFLE LENGTH BARREL 15" LIGHTWEIGHT HEX M-LOK MOE 2-STAGE PRECISION RIFLE KIT

Barrel Length: 20" Gas System: Rifle-length Barrel Profile: A2 Style Barrel Steel: 416R Barrel Finish: Stainless Steel Chrome Lining: None Muzzle Thread: 1/2-28 Chamber: 224 Valkyrie Twist Rate: 1:6.5 Barrel Extension: M4 Diameter at Gas Block: .750 Gas Block Type: Low profile adjustable gas block Muzzle Device: A2 Flash Hider Receiver Material: Forged 7075 T6 Receiver Type: M4 Fire Control Group: PSA 2-Stage Nickel Boron Fire Control Group Handguard Type: PSA 15" Lightweight M-Lok Free Float Rail Grip: Magpul MOE Grip, Black Stock: Magpul MOE Stock, Black Trigger Guard: Magpul MOE Trigger Guard, Black Bolt Carrier Group Included: Yes Bolt Steel: 9310, Nitride Coated Bolt Carrier Profile: Full-auto Charging Handle Included: Yes The 224 Valkyrie upper is designed to function with any Mil-Spec AR-15 Lower Receiver and is to be used with a standard 6.8 SPC Magazine.