Rainier Arms MARS Ambi Glock Mag Release: Gen 4 & 5

The MARS ambi extended mag release was designed by Battleline Industries for Rainier Arms, and it's one of the most innovative and useful Glock accessories available. It is a drop-in release that is compatible with all GEN 4 Glock pistols in calibers 9mm, 40 S&W, and .357 SIG. The MARS is one of the best-designed, quality-manufactured Glock parts available. It's made of 6061-T6 aircraft-grade aluminum, with a Type III Class 2 MIL-SPEC hard coat anodizing finish, polyoxymethylene (Delrin), and stainless steel hardware for maximum corrosion resistance and durability. The MARS control surfaces are slightly extended and feature an aggressive texture for a faster reload and positive control. Glock Ambi Mag Release The MARS is a COMPLETELY ambidextrous mag release button, giving both left and right-hand shooters, as well as competitors, a tactical advantage with the ability to release the magazine using the index finger (trigger finger) or, for matter, the middle finger from both the right s