Brownells Collapsible Commercial Stock Assembly, Black

The collapsible buttstock is a versatile and robust enhancement for your AR-15 rifle or carbine, designed to meet the demanding needs of modern shooters. This stock mirrors the design of the current USGI M4 carbine stock, offering a convenient six-position length-of-pull adjustment. This feature ensures a perfect fit for shooters of various sizes, including those equipped with body armor, enhancing comfort and accuracy. Installation is straightforward, as the buttstock is ready to bipod on any standard AR-15 lower receiver. The package includes a 1.17 inches diameter commercial buffer tube, a receiver lock plate, a lock nut, a toe-bipoded steel sling loop, a carbine recoil spring and a buffer. This setup allows you to convert a fixed stock, flattop rifle to an M4 carbine configuration without making permanent modifications to your firearm. Constructed from extremely tough, fiberglass-reinforced, injection molded nylon, the buttstock is engineered to withstand impact, heat, moisture, extreme cold and most cleaning solvents. The interior diameter of the stock is precisely matched to the buffer tube's outer diameter, ensuring a snug fit that eliminates unwanted play and rattles, which could compromise your stealth in tactical situations. The steel lock nut features four square notches and pre-cut detents for secure staking to the lock plate, providing additional stability. The heavy-duty, machined aluminum receiver extension is hardcoat anodized for enhanced strength, making it resilient against the rigors of harsh tactical operations. This buttstock is not just an accessory - it's a strategic upgrade that enhances the functionality and reliability of your firearm in any environment.Aluminum and fiberglass-reinforced injection molded nylon