TacFire .300 AAC Blackout AR Build Kit 10.5″ Barrel

Description

The TacFire SSPK300LPK10 is a complete AR pistol build kit configured for .300 AAC Blackout with a 10.5″ parkerized steel barrel and components intended for a pistol-length AR platform. The kit includes an array of upper- and lower-oriented parts such as a stripped billet upper, a tested bolt carrier group, charging handle, and a USA-made lower parts kit. Hardware and finish choices focus on durability and compatibility with common AR components used in short-barrel pistol builds.

Key Specifications

• The caliber is listed as .300 AAC Blackout.
• The barrel measures 10.5″ and is finished in Black Parkerized.
• The kit includes a .308 spiral fluted flash can with crush washer and a 5/8″x24 thread pattern.
• The handguard is an ultra slim 7″ clamp-on M-LOK free-float unit.
• The upper is an AR15 5.56/.223/.300AAC stripped billet upper receiver with M4 feed ramps.
• The bolt carrier group is an AR15 5.56 NATO BCG that is MPI tested and finished in Nitride.
• The kit provides an AR15/.556 Mil-Spec charging handle constructed of aluminum with a steel latch.
• Included furniture and small parts: dust cover, forward assist, receiver end plate, castle nut, and related hardware.
• The buffer assembly includes a pistol buffer tube with foam, a 3 oz buffer, and a tube spring.
• The kit ships with a USA-made AR15 lower parts kit and an A2 style black pistol grip.

This TacFire build kit assembles the core components needed for a compact AR pistol in .300 AAC Blackout, combining a short parkerized barrel with a free-float M-LOK handguard and durable, tested operating parts. It is arranged for builders who want a straightforward parts set with compatible upper- and lower-focused components for a short-barrel pistol configuration.