Glock 17 vs glock 45 size July 8, 2019 16 32 64 128 Glock 17 vs glock 45 size comparison Glock 17 gen 5 vs gen 4 Glock 17 gen 5 vs glock 34 Glock 47 vs 17 Glock 17 gen 5 vs sig m17 Glock 17 gen 4 shoot