Adjustable AR-15 Stock Kit with Mil-Spec Buffer Tube, Castle Nut & End Plate

Upgrade your build with this Adjustable AR-15 Stock Kit, engineered for comfort, durability, and dependable performance. Designed as a complete solution, this kit includes an adjustable polymer stock, mil-spec aluminum buffer tube, castle nut, and end plate—everything needed for a smooth, reliable installation.

The stock is constructed from high-strength, injection-molded glass-filled nylon, delivering excellent durability while remaining lightweight. An integrated rubber butt pad provides a secure, non-slip shoulder fit and helps improve recoil control. The lowered stock elevation allows comfortable use with iron or bead sights, making this stock versatile across a wide range of setups.

The included mil-spec buffer tube is machined from aluminum and finished with a black anodized coating for enhanced corrosion resistance and long-term reliability. A unique latch adjustment system enables fast, positive length-of-pull changes, allowing quick customization for different shooters, gear, or shooting positions.

Designed for simplicity, this adjustable stock kit installs easily using the included hardware, making it an excellent choice for new builds or replacement upgrades.

Key Features

• Adjustable AR-15 polymer stock with ergonomic design

• Integrated rubber butt pad for secure shouldering and comfort

• Mil-spec aluminum buffer tube with black anodized finish

• Lowered stock elevation for compatibility with iron or bead sights

• Glass-filled nylon construction for superior strength and durability

• Quick-adjust latch system for fast, reliable length-of-pull changes

• Complete kit: buffer tube, castle nut, end plate, and hardware included

• Drop-in installation with no permanent modifications