TacFire 10.5" AR-300 Blackout Pistol Build Kit
Complete unassembled AR pistol kit in .300 Blackout with parkerized barrel, billet upper, M-Lok handguard, and all lower parts. American-made components ready for assembly.
TacFire AR-300 Blackout Pistol Build Kit
This comprehensive build kit provides everything needed to assemble a capable .300 Blackout AR pistol platform. Whether you're a seasoned builder or tackling your first AR project, TacFire has engineered a straightforward path to a functional, reliable firearm.
Upper Receiver Assembly
- Barrel: 10.5" black parkerized steel with 1:7 twist rate, optimized for .300 Blackout performance
- Muzzle Device: 5/8x24 spiral-fluted Krink-style forward device
- Upper Receiver: 7075-T6 billet aluminum, stripped and ready for assembly
- Handguard: Slim M-Lok free-float design for accessory mounting and consistent accuracy
- Bolt Carrier Group: 5.56 specification, mil-spec reliability
- Gas System: Pistol-length gas tube with low-profile gas block
- Charging Handle: Mil-spec design with dust cover
- Forward Assist: Standard mil-spec configuration
Lower Receiver Assembly
- Buffer System: Heavy buffer with complete pistol buffer tube for .300 Blackout ballistics
- Grip: A2-style black pistol grip
- Lower Parts Kit: All components included and American-made
Construction & Finish
Steel and aluminum components throughout with durable black parkerized finish. All parts manufactured in the USA, ensuring quality control and supporting domestic production.
What You Get
This is an unassembled kit—you'll need basic AR assembly knowledge or tools to complete the build. The modular design allows customization while maintaining the integrity of a proven platform.
