According to Derek Peterson, president of Peterson Cartridge, "We decided to build the tooling to make .22 Creedmoor brass in response to the uptick in long-distance predator and varmint hunting. Plus the round is just straight-up fun to shoot. It is a low-recoil, flat shooting, wind-bucking round; deadly accurate up to 800 yards." Peterson Cartridge also makes 6.5 and 6mm Creedmoor casings. "But when we designed the tooling for the .22 Creedmoor we set out to make casings with improved features," Peterson stated. "And we were successful. We increased the head hardness to tolerate higher pressures. And we increased our internal volume slightly to work be Mfg: Peterson Cartridge