concealed carry,Glock,PG2150203GF,45 ACP View cart “Glock G21 Gen4, 45 ACP, 13rd, 4.6″, Gray Frame, Black Slide” has been added to your cart. Showing the single result Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sale! IN STOCKGlock G21 Gen4, 45 ACP, 13rd, 4.6″, Gray Frame, Black Slide $591.89 Original price was: $591.89.$532.70Current price is: $532.70. Add to cart