Davidson Defense Beehive 7.5-inch 1:16 45ACP AR-45 Freefloat M-Lok Handguard Pistol Complete Upper Build

Beehive 7.5 Inch AR-45 Complete Upper .45 ACP Freefloat MLOK

The Beehive AR-45 Complete Upper is a fully equipped upper assembly built around a Bear Creek Arsenal 7.5 inch .45 ACP barrel made from 4150 Chrome Moly Vanadium Steel with a Parkerized finish, M4 contour profile, and a 1:16 twist rate. The upper receiver is a Vertex enhanced billet design built for pistol caliber platforms, paired with a 7 inch tubular freefloat M-LOK handguard made from aluminum. This upper includes a complete bolt assembly and charging handle, giving builders the front end and cycling components needed for the upper side of a .45 ACP pistol build.

Key Features

• Bear Creek Arsenal 7.5 inch .45 ACP barrel, 4150 CMV steel, Parkerized finish, M4 contour profile
• 1:16 twist rate, .578x28 thread pitch
• Gas block journal 0.750 inch
• Direct blowback operating system, no gas block or gas tube required
• Vertex enhanced billet pistol caliber upper receiver
• 7 inch tubular freefloat M-LOK handguard, aluminum
• Handguard internal diameter 1.77 inch
• Suppressor ready handguard design
• AR-15 .45 ACP birdcage muzzle brake, manganese phosphate finish
• 5/8 inch black crush washer included
• PCC bolt assembly for .45 ACP
• Mil-Spec quality M4 charging handle

Perfect For

• Builders pairing a complete upper with an existing lower receiver
• Shooters wanting a .45 ACP pistol length platform suited to suppressor use
• Builders who want the bolt assembly and charging handle covered in one package

Barrel and Operation

This upper uses a 7.5 inch barrel made from 4150 Chrome Moly Vanadium Steel with a Parkerized finish and an M4 contour profile, manufactured by Bear Creek Arsenal. The 1:16 twist rate is suited to .45 ACP bullet weights, and the .578x28 thread pitch matches the included birdcage muzzle brake. This build operates on a direct blowback system and does not use a gas block or gas tube. The barrel and related components make up the front end of this complete upper.

Upper Receiver and Handguard

The upper receiver is a Vertex enhanced billet design built for pistol caliber platforms. A 7 inch tubular freefloat M-LOK handguard made from aluminum surrounds the barrel without contacting it, featuring a 1.77 inch internal diameter and a suppressor ready design, giving this upper a compact exterior forend built for a short pistol length platform.

Bolt Assembly and Charging Handle

The included bolt assembly is built for .45 ACP. A Mil-Spec quality M4 charging handle completes the cycling components of this upper, rounding out the included hardware. A 5/8 inch black crush washer is included as part of the muzzle end hardware.

Follow safe handling and manufacturer instructions.

Ensure compliance with all applicable federal, state, and local laws.

BCG and charging handle are included with this complete upper.

Component specifications are subject to the details provided in this listing.