COMBUSTIBLE AMMUNITION CARTRIDGE CASE

摘要

An ammunition cartridge is disclosed comprising a projectile threadably attached to a combustible case body via a threaded combustible case adapter. At least one of the adapter end have an uniform density of polyurethane resin to provide strength and sufficient support for the threads. The combustible case body may also have an uniform resin density to support threads corresponding to those on the rear end of the adapter. The preferable uniform polyurethane density is about 0.75 grams per cubic centimeter.