Davidson Defense Deadlock AR-45 Quad-Rail Pistol Full Build Kit, 7.5-Inch 1:16 45ACP, Gauntlet Arms Brace

AR-45 Pistol Full Build Kit with Witt Machine 4-Inch Suppressor

This complete AR-45 build kit delivers a compact, suppressed pistol platform chambered in .45 ACP. The 7.5-inch barrel pairs with a freefloat quad-rail handguard and includes everything needed to assemble a functional pistol except the serialized lower receiver. The Witt Machine Freakin45 ultra-compact suppressor is included, offering integrated sound reduction without excessive length.

Key Features

• 7.5-inch Bear Creek .45 ACP barrel with 1:16 twist rate and parkerized finish
• Freefloat quad-rail handguard with 10-inch Picatinny rail coverage
• Witt Machine Freakin45 4-inch ultra-compact suppressor with graphite black cerakote
• Complete bolt carrier group, charging handle, and lower parts kit
• Heavy-duty pistol buffer tube with 8 oz. buffer and carbine spring
• Gauntlet Arms polymer stabilizing brace
• All components finished in black with mil-spec compatibility

Perfect For

• Shooters building a compact, suppressed .45 ACP pistol platform
• Home defense setups requiring reduced noise signature
• Pistol-caliber carbine enthusiasts prioritizing portability
• Builders seeking an integrated suppressor solution with minimal profile

Witt Machine Freakin45 Suppressor Integration

The Freakin45 is purpose-built for .45 ACP platforms and measures just 4 inches in length, making it ideal for short-barreled pistol builds. The suppressor attaches via 5/8x24 threading, with a Hughes Precision thread adapter converting from the barrel's .578x28 pitch. This ultra-compact design keeps the overall platform manageable while delivering practical sound reduction. The graphite black cerakote finish resists corrosion and matches the black anodized handguard and receiver components.

Quad-Rail Freefloat Handguard Design

The 10-inch freefloat quad-rail handguard isolates the barrel from the upper receiver, reducing harmonics and improving consistency. The 6061-T6 aluminum construction with anodized finish provides a stable mounting platform for optics, lights, or other tactical accessories. Freefloat design also allows full-length rail coverage without bearing on the barrel, maintaining accuracy potential across extended shooting sessions.

Complete Kit Component Breakdown

This full build kit includes the upper assembly, bolt carrier group, charging handle, lower parts kit, buffer tube, 8 oz. buffer, carbine recoil spring, castle nut, and end plate. The Gauntlet Arms polymer brace provides a stabilizing point for one-handed control. Lower receiver not included. All components are mil-spec compatible and require no modifications for assembly. The kit ships with the suppressor mounted and ready for integration into your build.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws. Lower receiver not included. Verify compatibility with your lower receiver before assembly. May Dropship from Davidson Defense. Verify suppressor compatibility before use. Ensure secure mounting before operation. Use only in accordance with applicable laws.