ar 15 pistols,CMMG,57A1843-MB,5.7x28mm View cart “CMMG Banshee 300 Mk57 5.7x28mm “FiveSeveN” 5″ Barrel, Rip Brace, Midnight Bronze, 20rd” 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 STOCKCMMG Banshee 300 Mk57 5.7x28mm “FiveSeveN” 5″ Barrel, Rip Brace, Midnight Bronze, 20rd $2,249.99 Original price was: $2,249.99.$2,024.99Current price is: $2,024.99. Add to cart