Product DescriptionThe TacFire SSRK308LPK20BN AR build kit is a comprehensive Sports South Exclusive package for assembling a .308 Winchester (308 Win) AR-10-style rifle. Built around a 20-inch black nitride barrel with a 5/8"x24 threaded muzzle, this kit includes major upper components and a matched set of build essentials such as a DPMS-profile bolt carrier group, a GEN.3 DPMS-pattern stripped upper receiver, a rifle-length gas system, and a slim 15-inch M-LOK handguard. It also includes buffer system components and a 6-position M4-style stock to help complete a reliable, modern .308 AR build.Product HighlightsComplete AR-10/.308 rifle build kit centered on a 20" black nitride .308 Winchester barrelDPMS-pattern upper components including GEN.3 stripped upper receiver and DPMS-profile bolt carrier group15" slim M-LOK handguard for accessory mounting and improved handlingRifle-length gas tube system and AR-10 dust cover included for a functional upper assemblyIncludes buffer tube, heavy buffer, spring, castle nut/end plate, and 6-position M4-style stockSpecsBrand: TacFireManufacturer Part Number: SSRK308LPK20BNUPC: 745559515307Platform/Fit: AR-10Caliber: .308 Winchester (308 Win)Barrel Length: 20"Barrel Finish: Black NitrideTwist Rate: 1:10"Muzzle Thread: 5/8"x24Handguard: 15" slim M-LOKUpper Receiver: DPMS low profile stripped upper (GEN.3)Bolt Carrier Group: AR-10 BCG, DPMS profileGas System: Rifle-length gas tube (includes pin; steel)Included Components: AR-10/.308 charging handle (aluminum w/ steel latch), AR-10 dust cover, AR-15 forward assist, receiver end plate, castle nut, buffer tube (Mil-Spec), heavy buffer (3.8 oz) and spring, 6-position M4-style stock with QD sling swivel and butt pad, .308 lower parts kit (no grip noted) and AR-15 enhanced pistol gripExclusive: Sports South ExclusiveDisclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.