| 摘要 |
The breech plug with primer pocket of the present invention converts a black powder propellant muzzle-loading gun to a smokeless powder propellant muzzle-loading gun by providing a close fitting primer pocket wall, a flush fitting extractor that also supports the primer's sides, and a primer pocket seat that is cut at an angle of 25 degrees from the perpendicular of the primer pocket wall to conform to the front face of the primer, such that when the primer is seated against the primer pocket seat, a gas seal is formed. A gas seal is also formed at the primer's side walls.
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