This is a Midwest Industries Part, model MI-STAP.
This product is for use with firearms that have a picatinny attachment. This product is NOT for use with firearms with buffer assemblies.
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