Ammunition and explosives – Cartridges – Practice projectile type
Patent
1980-09-16
1983-07-19
Jordan, Charles T.
Ammunition and explosives
Cartridges
Practice projectile type
42 59, F42B 502
Patent
active
043937829
ABSTRACT:
This invention relates to a means for utilizing smaller-diameter bullets in larger-diameter cartridge cases, to achieve higher velocity without bottlenecking the cartridge case, and a firearm having a reduced bore adapted to that cartridge. Additionally, the invention provides a means of sealing the cylinder-to-barrel gap in revolvers, eliminating gas leakage at that point and thereby increasing muzzle velocity by eight to twenty percent.
This invention is applicable to current gun models and cartridge components with little modification.
REFERENCES:
patent: 1965637 (1934-07-01), Frederich et al.
patent: 2654318 (1953-10-01), Dunham
patent: 2938458 (1960-05-01), O'Brien
patent: 3107615 (1963-10-01), Brady
patent: 3998161 (1976-12-01), Booth
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