The folding stock adapter is designed to be compatible with various AR-15 and AR-10 rifles. Whether you are using a direct impact or piston rifle, this AR folding stock adapter works, allowing you to create a very compact rifle for storage or transportation. No dedicated bolt bracket group or buffer tube is required, just install it on the receiver. With just one button, you can quickly fold inventory for storage or expand shooting. For those who want to build AR, the third-generation foldable inventory adapter is a great choice because it won't take up too much space in the range bag. Features: Aluminum alloy CNC machining The low hinge will not block the way when charging weapons DLC coating is durable and long-lasting Adjustable hinge tension Fix the screws to prevent the adapter from loosening from the receiver Quick separation of sling connection points Tool free bolt bracket extension Replaceable O-ring Net weight: 173 grams Increase the tensile length by 1.3 inches Including installation tools, bolt bracket extensions, and flanges The adapter will not affect the functionality of the firearm when deployed in standard shooting positions. The rear of the adapter adopts the same specifications as the standard receiver to ensure maximum compatibility. The single point QD sling connection point is integrated into the adapter, so you can quickly connect your favorite sling.