SKU 51655105887 Brand Palmetto State Armory Model Number 51655105887 UPC 51655105887 DETAILS Caliber: 7.62x39 Barrel Length: 12.5"  Barrel Twist Rate: 1:10” Barrel Material: 4150 Steel Barrel Finish: Gas Nitride Muzzle Device: Mini Krink Brake Muzzle Thread: M24x1.5 RH  Receiver: Stamped Steel  Front Trunnion: Hammer Forged 4340AQ Bolt: Hammer Forged  Carrier: Hammer Forged  Handguard Type: Classic Upper/Lower Handguard, Black Grip: Classic AK Grip, Black Brace: JMAC Customs Stock Adapter with Triangle Side Folding Brace Fire Control Group: Single Stage, Single Hook