UNIVERSAL WAD CONTAINER FOR SHOT AND CASE SHOT Russian patent published in 2019 - IPC F42B7/08 F42B7/04 

FIELD: weapons and ammunition.

SUBSTANCE: invention relates to hunting and sports. Universal wad container for shot and case shot contains a body made of polyethylene in the form of a cup with a side wall divided by a transverse inner partition wall to form a bulk cavity for shot and buckshot and an obturator in the form of cups. At the end of the outer surface of the collar there are grooves for bleeding air. On side wall of the barrel there are helical grooves and through incisions forming lobes with possibility of contact of adjacent lobes surfaces along the above sections. Planes in which adjacent incisions lie are arranged at angle of 90° relative to each other. Longitudinal sections have different lengths to form petals of different lengths. Screw tapes are made in the form of twelve screw rectangular longitudinal slots to ensure rotation of projectile in flight around its axis. Shot and case shot are made steel and spherical and are laid in bulk cavity layers.

EFFECT: increased reliability of a barrel, increased accuracy of shot, improved uniformity of a shot heap, increased results of firing and reliability of target destruction.

4 cl, 4 dwg, 2 tbl