Home / Handguns / Glock 21 Gen 4 .45 Glock 21 Gen 4 .45 SKU: - Category: Handguns Product ID: 1138 Additional information Additional information Brand Glock Model 21 Gen 4 Caliber .45 type Full Size Related products Out of stock CZ 75B Matte Stainless 9 mm Out of stock STI Duty one 3.0 9 mm Out of stock CZ 75B Omega Black 9 mm