Midwest Industries Stock Tube Adaptor, Fits Picatinny, Black

The Midwest Industries Stock Tube Adapter fits a Picatinny rail interface, enabling the user to install an AR-15 collapsible buttstock to an alternative rifle platform. The tube has 6 different positions for length of pull, and contains a hollow, water resistant internal compartment for the storage of small parts or batteries. Does not function as a buffer tube. Midwest Industries is a proven leader in the firearm industry. Made in the USA, focusing on the small details to make your rifle platform better. • Super easy installation • Constructed from 6061 aluminum hard coat anodized • 6 position Mil-spec diameter tube • Easily accessible water proof storage in tube • Super clean compact design • Overall Length 6.750 • Weight 7.5 oz. • 100 percent made in the U.S.A