Rainier Arms MARS (Magazine Advanced Release System) for Glock Gen 1-3

The Rainier Arms MARS (Magazine Advanced Release System) for Glock, designed by Battleline Industries, is a drop-in ambidextrous Glock extended magazine release that is compatible with all GEN 1 - 3 Glock pistols in calibers 9mm, 40 S&W, and .357 SIG. ... The MARS mag release is one of the most rugged aftermarket Glock parts (of any kind) available. Made of 6061-T6 aircraft grade aluminum, it sports a Type III Class 2 MIL-SPEC hard coat anodizing finish, polyoxymethylene (Delrin) and stainless steel hardware for maximum corrosion resistance and durability. ... MARS mag release control surfaces are slightly extended and feature an aggressive texture for a faster reload and positive control. ... The MARS is a completely ambi mag release. It gives both left and right-hand shooters the significant advantage of releasing a magazine using the index finger from either side. This allows faster magazine changes and efficient manipulation without disturbing the shooter's grip - which in turn all