The Muzzle-Loaders straight line muzzleloader capper is a great tool for shooters using #11 cap ignition rifles. The solid brass capper keeps it simple by holding #11 percussion caps ready for precise dispensing to the nipple of any rifle. The cappers rectangular tube eliminates problems with tipped and jammed caps. The spring-loaded capper has a capacity of (15) #11 caps and makes for quick-easy loading in the field or at the range.