FOWLING 7,62×39-8 CARTRIDGE (WITH 8 G BULLET) Russian patent published in 2014 - IPC F42B5/16 C06B25/20 

FIELD: weapons and ammunition.

SUBSTANCE: charge for fowling 7.62X39-8 with 8 g bullet is to be fitted in encapsulated cartridge case with bullet. Proposed charge comprises spherical powder made of NC with content of nitrogen oxide of 212.0…214.0 ml NO/g, 11…14 wt % of nitro-glycerine with diameter of powder elements of 0.6…0.9 mm, depth of fire crown of 0.30…0.36 mm, bulk density of 0.950…0.990 kg/dm³, mix of 1.5…3.5 wt % of centralite and 1.5…3.5 wt % of DNT retarded from the surface, at the following ratio of components, in wt %: 07 screen undersize powder fraction and 0.4 screen oversize fraction - at least 80; sum of coarse oversize fraction and fine undersize fraction - not over 20.

EFFECT: stable ballistic characteristics.

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