Shop › GLOCK G21 GEN 5 PISTOL 45 ACP Image 1 of 1 GLOCK G21 GEN 5 PISTOL 45 ACP $619.99 GLOCK G21 GEN5 SEMI AUTO PISTOL 45 ACP, ALL BLACK, THREE 13 ROUND MAGAZINES, OPTICS READY, 4 3/8 BARREL, NEWLOG ID 105914 Add To Cart Added! GLOCK G21 GEN5 SEMI AUTO PISTOL 45 ACP, ALL BLACK, THREE 13 ROUND MAGAZINES, OPTICS READY, 4 3/8 BARREL, NEWLOG ID 105914