Glock Gen 4 Glock 37 .45 GAP 10-Round Factory Magazine

This is a factory 10-round magazine for Gen 4 Glock 37 pistols in .45 GAPJust like the Glock evolves on classic pistol design, the .45 GAP evolves on a classic cartridge to deliver even harder-hitting firepower in a more consistent package. And thanks to Glock factory magazines, you can count on hitting your mark every single time ...Built from crack-resistant polymer, reinforced with full-length steel inserts, and featuring rugged steel internal spring wire, these 10-round .45 GAP Glock magazin