Home / Pistols / Semi Auto Pistols / Glock 21 Gen 4 45 acp with nite sights “HK VP9 Optics ready 9 mm” has been added to your cart. View cart Glock 21 Gen 4 45 acp with nite sights$650.00 Glock 21 Gen 4 45 acp with nite 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 Hi Point C9 9 mm $229.00 Add to cart Colt government model 1911 45acp $1,199.00 Add to cart Glock 22 3rd gen 40S&W $499.00 Add to cart Springfield XDME 10 mm $653.00 Add to cart