BULLET FOR BARRELS WITH RILED MUZZLE CONTRACTIONS Russian patent published in 1998 - IPC

FIELD: hunting gun ammunition. SUBSTANCE: bullet is made at least of two separate metal sections fastened along the bullet axis for turning relative to each other. Each section is furnished at least with one guide shoulder to be set in the zifles. Bullet is furnished at least with one centering member, which is made of synthetic, mainly polymeric, material. The centering members have sections that are beyond the dimensions of the guide shoulders in their outside diameter. Part of the guide shoulders may have an outside diameter that is less than or exceeds thee smooth barrel caliber so as to provide a guaranteed interference fit. EFFECT: enhanced reliability. 3 cl, 5 dwg