Davidson Defense Seafang 7.5-inch Pistol-Gas 1:16 .45 ACP AR-15 M-Lok Handguard Pistol Upper Build Kit

Seafang 7.5-inch .45 ACP AR-15 Upper Build Kit

The Seafang is built around a Bear Creek 7.5-inch .45 ACP barrel with an M4 contour, finished in Parkerized, paired with a 6061 pistol-caliber AR-15 billet upper receiver. It pairs an ACE-20 Series 7-inch M-LOK free-float handguard with a KAK micro flash can at the muzzle, running on a pistol-length gas system. BCG and charging handle are not included, leaving the buyer to supply those components separately.

Key Features

• Bear Creek 7.5-inch .45 ACP barrel, 1:16 twist, M4 contour, Parkerized finish
• Pistol-length gas system
• 6061 pistol-caliber AR-15 billet upper receiver
• ACE-20 Series 7-inch M-LOK free-float handguard
• KAK .578x28 micro flash can, .45 ACP
• BCG and charging handle are not included.

Barrel and Muzzle Device

The Bear Creek barrel runs 7.5 inches long, chambered in .45 ACP and built from 4150 chrome moly vanadium steel with a Parkerized finish and M4 contour. It carries a 1:16 twist rate and a .578x28 muzzle thread. At the muzzle sits a KAK micro flash can rated for .45 ACP, threading onto the barrel's .578x28 pattern and secured with the included 5/8-inch black crush washer.

Upper Receiver and Handguard

The upper receiver is a 6061 billet unit built for the pistol-caliber AR-15 platform. Over the barrel sits an ACE-20 Series 7-inch handguard, free-floated and using an M-LOK attachment system along its length.

Follow all manufacturer instructions and safe handling practices.

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

BCG and charging handle are not included.