Davidson Defense Seafang w/SBA3 Brace 7.5-inch 1:16 .45 ACP AR-15 M-Lok Handguard Pistol Full Build Kit

Seafang w/SBA3 Brace 7.5-inch .45 ACP AR-15 Full Build Kit

The Seafang w/SBA3 Brace 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. A PCC bolt assembly for .45 ACP, Mil-Spec charging handle, complete Lower Parts Kit, carbine buffer-system components, and an SB Tactical SBA3 adjustable pistol stabilizing brace round out the rest of the build. The lower receiver is not included, leaving the buyer to select and supply that component 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
• SB Tactical SBA3 adjustable pistol stabilizing brace included
• Complete Mil-Spec Lower Parts Kit and carbine buffer-system components included
• Lower receiver is 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.

Bolt Assembly and Charging Handle

The bolt assembly is a PCC AR unit built specifically for .45 ACP. A Mil-Spec AR-15 M4 charging handle rounds out the upper's operating components.

Lower Parts Kit and Buffer System

A complete Mil-Spec AR-15 Lower Parts Kit covers the fire-control and lower-control internals needed once a lower receiver is on hand. Behind it sits a Mil-Spec heavy-duty six-position buffer tube, holding an 8-ounce 9mm heavy buffer finished in black and a standard USA-made recoil spring. An AR-15 carbine castle nut and Mil-Spec AR-15/M16 receiver end plate secure the buffer tube assembly to the lower.

Stabilizing Brace

Capping off the rear of the build is an SB Tactical SBA3 adjustable pistol stabilizing brace finished in black. It mounts to the six-position buffer tube included with this kit.

Follow all manufacturer instructions and safe handling practices.

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

Lower receiver is not included.