This .45 caliber carbine features a 16 1/2" finned barrel, compensator, American Walnut stock, and a lightweight aluminum receiver. Oal 41" Hand Right Action semi-auto Muzzle Compensator Sights Blade Front/Fixed Battle Rear Weight 9.50 lbs Caliber 45 ACP Capacity 100+1 Weight Range 9 lbs to 9.99 lbs Barrel Length 16.50" Receiver Material Aluminum Stock Description American Walnut Barrel Description Finned Metal Finish Group Blued/Black Stock Finish Group Brown Barrel Length Range 16" to 16.99"