Davidson Defense Beehive SBR Ready 7.5-inch 1:16 45ACP AR-45 Freefloat M-Lok Handguard Pistol Full Build Kit

Beehive SBR Ready 7.5-Inch 45 ACP AR-45 Freefloat M-LOK Pistol Full Build Kit

This is a complete AR-45 pistol build kit designed for the 45 ACP cartridge on an AR-15 platform. It includes everything except the lower receiver, combining a Bear Creek Arsenal 7.5-inch barrel with a billet upper receiver, freefloat M-LOK handguard, and a full complement of lower parts and buffer system components. The direct blowback design eliminates the need for a gas block or gas tube, simplifying the platform while maintaining reliability.

Key Features

• Bear Creek Arsenal 4150 CrMoV barrel with 1:16 twist rate and parkerized finish
• Vertex enhanced billet upper receiver for pistol-caliber platform
• Freefloat 7-inch aluminum M-LOK handguard with suppressor-ready design
• Direct blowback operating system, no gas system required
• Complete lower parts kit, buffer tube, buffer, and recoil spring included
• Six-position adjustable carbine buffer tube
• AR-15 45 ACP birdcage muzzle brake with crush washer
• SBR ready configuration

Perfect For

• Builders looking to complete a 45 ACP AR pistol platform
• Users who want direct blowback simplicity without gas system complexity
• Shooters planning to configure their own brace or stock setup
• Those seeking a compact, controllable pistol-caliber platform

SBR Ready Configuration

This kit ships without a brace and is configured for builders selecting their own final setup. The six-position adjustable buffer tube allows customization based on your intended configuration. Whether you plan to run this as a pistol with a brace or configure it for SBR compliance, the components support both pathways. Configuration choices remain entirely up to you based on your jurisdiction and intended use.

Freefloat Design and Accuracy

The tubular freefloat handguard isolates the barrel from external pressure, reducing harmonic vibrations that affect shot placement. This design improves consistency across different shooting conditions. The 1.77-inch internal diameter accommodates standard AR-15 components while the M-LOK slots provide mounting flexibility for optics, lights, and other accessories.

Direct Blowback Advantages

Direct blowback operation on 45 ACP eliminates the gas block and gas tube found on rifle platforms. This reduces parts count, simplifies maintenance, and lowers overall weight. The blowback design is inherently reliable for pistol-caliber cartridges and requires no tuning or adjustment. The included 9mm carbine buffer helps manage recoil impulse in this platform.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws. Ships without a brace. Do not attach a stock unless compliant with applicable laws. Lower receiver not included.