Build a replica antique Trapper muzzleloader pistol with this easy-to-assemble kit. Learn fascinating techniques our ancestors used to build these primitive single-shot firearms that they used to defend themselves against predators and enemies. The finished pistol shoots a .50-caliber patch and ball through a 9-3/4" octagon barrel. Adjustable rear sight for putting your aim on target. Double-set triggers can be pulled and fired cocked or uncocked. Select hardwood stock. Percussion cap ignition. Barrel length: 9-3/4". Overall length: 15-1/2". Weight: 2 lbs. 14 oz. Rate of twist: 1-in-20".