Conversion breech plug for muzzleloading rifles to receive shotgun primers and method of using the same

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United States of America Patent

SERIAL NO

10142480

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A breech plug for a muzzleloading rifle has an elongated body with external threads and having rearward and forward ends. A circular depression is formed in the rearward end of the body and is surrounded by an annular rim. The annular rim has an inner diameter slightly less than the diameter of a bore of the barrel of the rifle. The depression has a tapered bottom surface that slopes inwardly and rearwardly and terminates in a first center bore extending longitudinally along a center axis of the body. A narrow diameter bore connects the first center bore with a second bore having a diameter substantially the same as the first center bore. The second center bore terminates in an enlarged bore portion adapted to receive a propellant material. The first center bore provides an expansion chamber for a large percussion element to be ignited in the depression. The narrow diameter bore allows the products of combustion from the first center bore to enter the second center bore, but prevents blowback in a reverse direction from the combustion of powder downstream from the second bore. The depression has a diameter substantially twice the diameter of the first center bore.

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Patent Owner(s)

Patent OwnerAddress
EBSCO INDUSTRIES INCPOST OFFICE BOX 1943 BIRMINGHAM AL 35201

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hengstenberg, Eric T Centerville, IA 8 28

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