semi auto handguns,Glock,PG2130101,45 ACP View cart “Glock G21 Gen4 .45 Auto 4.6 Inch Barrel Black Fixed Sights 10 Round Mag” 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 Auto 4.6 Inch Barrel Black Fixed Sights 10 Round Mag $546.00 Original price was: $546.00.$491.40Current price is: $491.40. Add to cart