The TacFire SSRK308LPK20BN AR Build Kit Sports South Exclusive 308 Win AR-10 Black Nitride 5/8"x24 brings together a complete set of upper and lower components to build a reliable LR-308 style rifle. Centered around a .308 Winchester 20" nitride barrel, this kit pairs a DPMS-pattern low profile upper receiver with a 15" slim M-LOK free-float handguard, nitride .308 bolt carrier group, and matching charging handle for smooth, consistent operation.

Designed for builders who want a straightforward path to a full-size .308 AR, the kit includes a complete .308 lower parts kit, rifle-length gas system, heavy buffer and spring, Mil-Spec buffer tube, and a six-position M4-style stock with QD sling swivel and butt pad. Whether you are assembling a rifle for range use, training, or hunting where the .308 Winchester cartridge shines, this kit lets you finish your project with parts that work together out of the box. TacFire’s attention to detail and U.S.-made components give this build kit a solid foundation for a dependable AR-10 platform.

Key Features:

• Manufacturer: TacFire
• Model: SSRK308LPK20BN AR Build Kit
• Caliber: .308 Winchester
• Action: Semi-Auto (AR-10 platform build kit)
• Barrel Length: 20" nitride .308 barrel
• Handguard: 15" slim M-LOK free-float
• Upper Receiver: DPMS low profile stripped upper (GEN 3)
• Bolt Carrier Group: .308 nitride DPMS profile
• Gas System: Rifle-length gas tube with .750 gas block
• Stock Type: Six-position M4-style stock with QD sling swivel and butt pad
• Threaded Barrel: 5/8"x24 muzzle threads with A2-style birdcage brake
• Included Parts: .308 lower parts kit, buffer tube kit, charging handle, dust cover, forward assist