08584587 is referenced by 15 patents and cites 33 patents.

A caliber specific drill cartridge and an adaptor assembly for transforming the caliber specific drill cartridge for use in a first firearm chamber into a caliber specific drill cartridge assembly for use in a second firearm chamber. The adaptor assembly may include a drill cartridge having a first central axis, a rear casing, and a front casing with a first maximum outer dimension perpendicular to the first central axis. The front casing may be connected to the rear casing such that the front and rear casings cooperate to form a housing, which may be configured and dimensioned for chambering in a first firearm chamber. The adaptor assembly further may include a cartridge specific adaptor with a second central axis. The drill cartridge and the cartridge specific adaptor may be combined such that the adaptor assembly is configured and dimensioned for chambering in a second firearm chamber.

Title
Drill cartridges, adaptors, and methods for multi-caliber drill cartridge training
Application Number
13/190135
Publication Number
8584587 (B2)
Application Date
July 25, 2011
Publication Date
November 19, 2013
Inventor
Oren Louis Uhr
Rishon le-Zion
IL
Agent
Law Office of Arthur M Antonelli PLLC
IPC
F42B 8/00
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