Glock 17 gen 4 magazine release July 8, 2019 16 32 64 128 Glock 17 gen 4 magazine release spring Glock 17 gen 4 extended magazine release Glock 17 gen 4 shoot Glock 17 gen 3 magazine release Glock 17 magazine Glock 17 40 round Glock 17 gen 5 vs gen 4
