I’ve never heard of 8M3 but SGA had some made. What is special about this ammo? They stopped making it in 2002.
Eta: link to SGA
https://www.sgammo.com/product/tula...w-point-ammo-made-ulyanovsk-cartridge-works-u
Eta: link to SGA
https://www.sgammo.com/product/tula...w-point-ammo-made-ulyanovsk-cartridge-works-u