CHARGE FOR 5,6 mm SPORT TRAINING RIM-FIRE CARTRIDGE Russian patent published in 2013 - IPC F42B3/04 F42B5/16 C06B45/00 

FIELD: weapons and ammunition.

SUBSTANCE: charge consists of spherically grained propellant located in the case with bullet. The charge is made of powder elements consisting of mixture 60…80 wt % of pyroxyline with nitrogen oxide content 212.5…213.5 ml NO/g and 20…40 wt % pyroxyline with nitrogen oxide content 209.0…210.5 ml NO/g, 0.4…0.8 wt % of diphenylamine, 0.3…0.7 wt % of carbon and graphite, 0.2…1.0 wt % of ethyl acetate, 0.3…0.9 wt % of moisture, with bulk density 0.64…0.74 kg/dm³, with the following fractions ratio, wt %: 0.2…0.4 - not less than 92, more than 0.4 and less than 0.2 - not more than 8.

EFFECT: increasing bullet flight speed.

1 tbl, 1 dwg