Davidson Defense Bladewake w/Magpul BTR Brace 7.5-inch 1:10 9MM AR-9 Freefloat Tubular M-Lok Handguard Pistol Full Build Kit, Plan B Radial Brake

Davidson Defense Bladewake AR-9 Pistol Full Build Kit with Magpul BTR Brace and Plan B Radial Brake - 7.5-inch 9mm 1:10 Freefloat Tubular M-Lok Handguard

The Davidson Defense Bladewake with Magpul BTR Brace is an AR-9 pistol full build kit chambered in 9mm with a 7.5-inch HBAR profile barrel. The kit includes the upper assembly, 9mm bolt carrier group, charging handle, Magpul BTR polymer pistol brace, mil-spec heavy-duty 6-position aluminum buffer tube, 5.5 oz 9mm carbine buffer, phosphate-finished mil-spec receiver end plate, phosphate-finished steel castle nut, lower parts kit, and all associated buffer system hardware. The AR-9 platform operates via blowback. The lower receiver is not included.

Key Features

• 7.5-inch 4150 CrMoV steel HBAR profile barrel
• Phosphate barrel finish
• 1:10 twist rate
• 1-in-2x36 thread pitch
• Freedom Factory Tactical dedicated AR-9 upper receiver in 7075-T6 forged aluminum with M4 feed ramps, Type III hard coat anodized finish
• 7-inch tubular freefloat M-Lok handguard in aluminum with 1.77-inch internal diameter bore
• 9mm nitride bolt carrier group in 8620 alloy steel, compatible with Glock and Colt magazines
• Mil-spec M4 charging handle
• KAK Plan B Radial Brake in 17-4 stainless steel, nitride finish, 1-in-2x36 thread pitch
• Magpul BTR polymer pistol brace in black, compatible with standard mil-spec buffer tubes
• Mil-spec heavy-duty 6-position aluminum buffer tube
• 5.5 oz 9mm carbine buffer
• Phosphate-finished mil-spec receiver end plate and phosphate-finished steel castle nut

Perfect For

• AR-9 pistol builders sourcing a complete kit around a 7.5-inch 9mm upper with Plan B muzzle device compatibility
• Builders completing a stripped AR-9 compatible lower receiver
• Shooters running a tubular freefloat M-Lok handguard with suppressor-compatible bore clearance
• Builders adding a Magpul BTR brace to an AR-9 pistol build with Plan B Radial Brake

Barrel and Upper Receiver

The 7.5-inch HBAR profile barrel is 4150 CrMoV steel with a phosphate finish and a 1:10 twist rate. The muzzle is threaded at 1-in-2x36 and pairs with the included KAK Plan B Radial Brake. The Plan B is 17-4 stainless steel with a nitride finish and supports modular suppressor mounting ecosystems compatible with the Plan B platform. The Freedom Factory Tactical dedicated AR-9 upper receiver is 7075-T6 forged aluminum with M4 feed ramps and a Type III hard coat anodized finish, dedicated exclusively to the AR-9 platform and serving as the core front end structure for the build. The AR-9 platform operates via blowback.

Handguard

The 7-inch tubular freefloat M-Lok handguard is aluminum in black with a 1.77-inch internal diameter bore. The internal diameter accommodates suppressor use when paired with an appropriate muzzle device. The M-Lok slots provide attachment points for lights, grips, and other accessories. The handguard length is shorter than the 7.5-inch barrel, and the muzzle device extends beyond the handguard to provide the necessary clearance.

Bolt Carrier Group and Charging Handle

The included 9mm bolt carrier group is built from 8620 alloy steel with a nitride finish and features an external extractor. It is compatible with both Glock and Colt magazine patterns, covering the two primary AR-9 lower receiver feed configurations. The mil-spec M4 charging handle completes the upper component set.

Magpul BTR Brace and Buffer System

The Magpul BTR polymer pistol brace in black is compatible with standard mil-spec buffer tubes and pairs with the included mil-spec heavy-duty 6-position aluminum buffer tube. The 5.5 oz 9mm carbine buffer, phosphate-finished mil-spec receiver end plate, phosphate-finished steel castle nut, lower parts kit, and all associated buffer system hardware cover the core lower completion components outside the serialized lower receiver.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws. Lower receiver not included.