Black M4-Style Adjustable AR-15 PCC Carbine Stock Kit with 6-Position Buffer Tube, 8 oz. Buffer, Recoil Spring, End Plate & Castle Nut

Black M4-Style Adjustable AR-15 PCC Carbine Stock Kit with 6-Position Buffer Tube, 8 oz. Buffer, Recoil Spring, End Plate & Castle Nut

This kit bundles an M4-style, 6-position adjustable carbine stock in black with a complete pistol-caliber carbine buffer system for AR-15, M16, and M4-style platforms, built for 9mm, .45 ACP, and 10mm PCC applications. It includes a mil-spec 6-position carbine receiver extension, an 8-ounce extended stainless steel PCC buffer, a USA-made recoil spring, a US Tactical mil-spec receiver end plate, and a Davidson Defense mil-spec castle nut.

Key Features

• M4-style, 6-position collapsible carbine stock in matte black
• Reinforced polymer construction, traditional M4 carbine profile, molded cheek-weld surface
• Built for 9mm, .45 ACP, and 10mm AR-pattern PCC applications
• Mil-spec heavy-duty carbine receiver extension, 6061 aluminum, Type II anodized, black
• 8 oz. extended stainless steel PCC buffer
• USA-made standard AR-15 carbine recoil spring
• US Tactical mil-spec receiver end plate and Davidson Defense mil-spec castle nut included

Stock

The stock follows a traditional M4 carbine profile, molded from reinforced polymer in matte black, with a molded upper cheek-weld surface and a molded, textured rear buttplate. Length of pull adjusts across 6 positions using a spring-loaded position adjustment lever, and the stock includes an integrated rear sling loop.

Buffer Tube and Buffer

The buffer tube is a mil-spec, heavy-duty 6-position carbine receiver extension machined from 6061 aluminum and finished in Type II anodizing, measuring 7.15 inches long with a 1.145-inch outer diameter, a 1-inch inner diameter, and a weight of 3.8 ounces. It's paired with an 8-ounce, extended stainless steel pistol-caliber carbine buffer rated for 9mm, .45 ACP, and 10mm AR-pattern PCC systems, along with a USA-made standard AR-15 carbine recoil spring. A Davidson Defense mil-spec castle nut in black and a US Tactical mil-spec receiver end plate complete the receiver extension hardware.

Follow all manufacturer instructions and safe handling practices.

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