Glock 17 magazine size July 8, 2019 16 32 64 128 Glock 17 magazine spring size Glock 17 standard magazine size Glock 17 vs 19 magazine size Glock 17 gen 5 magazine size Glock 17 gen 4 magazine size Glock 17 gen 3 magazine size Glock 17 magazine Glock 17 mag extension Glock 17 21rd mag Glock 17 gen 3 magazine release
