Snakeshot for the backwoods or rodents a little closer to home. 40 S&W 1/5-oz (88gr) of #9 shot. Notes: These cartridges are designed to function in semi-automatic pistols. DO NOT USE IN REVOLVERS - cylinder lock-up may occur. DO NOT RELOAD THESE CARTRIDGE CASES. These cartridge cases are marked NR (Not Reloadable). Rupture of reloaded cases can cause severe injury. Do not use shotshells in firearms with ported barrels or ported recoil compensators.