Home / Pistols / Semi Auto Pistols / Glock 21, Gen. 4, .45ACP with tritium sights “Glock, used, Model 45, Gen. 5, 9mm Luger caliber, semi auto pistol, striker fired, 4.02” barrel, 4 backstraps, 3-17 round magazines, with original box.” has been added to your cart. View cart Glock 21, Gen. 4, .45ACP with tritium sights$650.00 Glock 21, Gen. 4, .45ACP with tritium sights quantity Add to cart Category: Semi Auto Pistols Product ID: 1639 Description Description Glock 21 Gen 4 45acp with night sights. Nib Related products Kel-Tec, used, model PF-9, 9mm Luger caliber, hammer fired, semi auto pistol, 3” barrel, Crimson Trace red laser, 1 magazine, w/original box and manual. $469.00 Add to cart Star, used, Model SA, 9mm Luger caliber, single action semi auto pistol, 2 magazines, 3.75” barrel, original box and manual. $469.00 Add to cart Kel-Tec, used/unfired, Model P-15, 9mm Luger caliber, striker fired, semi auto pistol, 3.75” barrel, adjustable fiber optic sights, black finish, 1-12 and 1-15 round magazine, light weight, compact, slim & trim, with original box and all accessories. $399.00 Add to cart Springfield XDME 10 mm $653.00 Add to cart