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.

Features:
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