Short magnum shotshell cartridge and firing assembly

Details Short magnum shotshell cartridge and firing assembly Short magnum shotshell cartridge and firing assembly

2005-01-25

2008-11-18

Bergin, James S (Department: 3641)

Ammunition and explosives

Projectiles

Composite

C102S439000, C102S446000, C102S523000

Reexamination Certificate

active

07451706

ABSTRACT:
A sabot-retaining shotshell cartridge and firing assembly including a barrel or barrel insert for firing the sabot-retaining shotshell cartridge. The shotshell cartridge includes a cylindrical hull, a sub-caliber projectile, a propellant charge, and a sabot. A central pathway or thin membrane is defined within the base of the sabot between the sub-caliber projectile and propellant charge. The barrel or barrel insert for firing the cartridge includes a transitional area between chamber and sub-caliber rifled bore to retain sabot in the cartridge. Upon cartridge firing, propellant gases flow through central portion of sabot base propelling projectile out of the sabot and into sub-caliber rifled bore.

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United Kingdom Search and Examination Report Date: Feb. 26, 2007, p. 5.

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