| 摘要 |
An improved muzzleloading firearm provided with a combustion chamber of a diameter greater than its bore. The larger diameter of the combustion chamber provides for more efficient burning of the powder. The improved combustion chamber is used in association with an improved breech plug and ignition stem which simultaneously prevents a projectile from entering the combustion chamber, and ignites the powder in the combustion chamber from the muzzle end of the powder charge, producing a more efficient burn.
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