PI2150203 View cart “Glock 21 Gen3 Used .45 ACP, 4.6″ Threaded Barrel, Fixed Sights, Black, 13rd” 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 21 Gen3 Used .45 ACP, 4.6″ Threaded Barrel, Fixed Sights, Black, 13rd $449.99 Original price was: $449.99.$404.99Current price is: $404.99. Add to cart