TacFire AR-15 6-Position Mil-Spec Buffer Tube Kit with Dual Loop End Plate SPECIFICATIONS BRAND: TACFIRE CA PROP 65: YES COLOR: BLACK COUNTRY OF ORIGIN: USA FINISH: ANODIZED FIREARM ACCESSORIES CALIBER: 223 REMINGTON/5.56 NATO FIREARM ACCESSORIES TYPE: BUFFER TUBE KIT FIREARM ACCESSORIES WEAPON FIT: AR-15 LENGTH: 8" MATERIAL: STEEL ALUMINUM QUANTITY: 1 WARRANTY: MFG LIMITED LIFETIME WEIGHT: 11 OZ DESCRIPTION AR-15 Mil-Spec Buffer Tube Kit Includes: (1) Mil-Spec 6 Position Buffer Tube (1) 3 oz. Buffer (1) Carbine length buffer spring (1) Dual Loop Sling Adadpter End Plate (1) Castle Nut