Cart Remove item Thumbnail image Product Price Quantity Subtotal 50 cal crimp type blank in 50 caliber can. 100 round can. $499.99 50 cal crimp type blank in 50 caliber can. 100 round can. quantity $499.99 40 mm M-79-203. adapter for 20 gauge bird bombs. You will need to supply your own 20 gauge barrel to fit inside the adapter. $99.95 40 mm M-79-203. adapter for 20 gauge bird bombs. You will need to supply your own 20 gauge barrel to fit inside the adapter. quantity $99.95 Coupon: Apply coupon Update cart Cart totals Subtotal $599.94 Tax $0.00 Total $599.94 Proceed to checkout