FDE M4-Style Adjustable AR-15 Carbine Stock Kit with 6-Position Buffer Tube, Armaspec H3 Sound Mitigation Buffer, End Plate & Castle Nut

FDE M4-Style Adjustable AR-15 Carbine Stock Kit with 6 Position Buffer Tube, Armaspec H3 Sound Mitigation Buffer, End Plate, and Castle Nut

This FDE M4-Style Adjustable AR-15 Carbine Stock Kit covers the stock, buffer tube, buffer system, and rear hardware for AR-15, M16, and M4-style carbine platforms. It pairs an FDE M4-style 6 position collapsible buttstock with a black mil-spec 6 position carbine buffer tube. The Armaspec Sound Mitigation Buffer H3 Gen 3 provides the buffer system at 5.6 oz and is compatible with forced reset trigger systems. A US Tactical mil-spec receiver end plate and a Davidson Defense mil-spec carbine castle nut complete the rear hardware set.

Key Features

• FDE M4-style collapsible carbine buttstock
• 6 position adjustable stock with spring-loaded position adjustment lever
• Reinforced polymer stock
• Integrated rear sling loop
• Textured rear buttplate and upper cheek weld surface
• Mil-spec 6 position carbine receiver extension, heavy-duty 6061 aluminum, black Type II anodized
• 1.145 inch outer diameter, 1 inch inner diameter, 7.15 inch length, 3.8 oz tube weight
• Armaspec Sound Mitigation Buffer H3 Gen 3, 5.6 oz H3 series
• Single-stage design with adjustable spring weight
• Polymer base guide rod
• Forced reset trigger compatibility
• US Tactical AR-15 M16 mil-spec receiver end plate
• Davidson Defense AR-15 mil-spec carbine castle nut, black

Perfect For

• AR-15 builders who want the stock, buffer system, and rear hardware together in one purchase
• Forced reset trigger owners who want a buffer system listed as compatible with their trigger
• Builders who want an FDE stock to match an earth tone AR-15

FDE M4-Style 6 Position Carbine Stock

The stock is a traditional M4-style collapsible carbine buttstock in FDE. It is made from reinforced polymer with 6 adjustment positions set by a spring-loaded position adjustment lever. An integrated rear sling loop gives the stock a built in sling point. A textured rear buttplate and an upper cheek weld surface round out the stock.

Mil-Spec 6 Position Carbine Buffer Tube

The buffer tube is a mil-spec 6 position carbine receiver extension made from heavy-duty 6061 aluminum. It carries a black Type II anodized finish. The tube measures 1.145 inches outer diameter, 1 inch inner diameter, and 7.15 inches long, and weighs 3.8 oz. Its mil-spec diameter matches the included M4-style stock.

Armaspec Sound Mitigation Buffer H3 Gen 3

The buffer system is the Armaspec Sound Mitigation Buffer H3 Gen 3. It weighs 5.6 oz, placing it in the H3 series. The single-stage design uses an adjustable spring weight and a polymer base guide rod. It is compatible with forced reset trigger systems.

US Tactical End Plate and Davidson Defense Castle Nut

The kit includes a US Tactical AR-15 M16 mil-spec receiver end plate. A Davidson Defense AR-15 mil-spec carbine castle nut in black is also included. These two parts make up the rear hardware at the back of the lower receiver. With them, the kit covers everything from the stock to the rear hardware in one box.

Follow safe handling and manufacturer instructions.

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

Verify compatibility with your lower receiver, bolt carrier group, and trigger before use.

Inspect all components before use.