Bertram .408 CheytacThe .408 Cheyenne Tactical (or .408 Chey Tac) is a specialized rimless bottlenecked centerfire cartridge for military long-range sniper rifles that was developed by Dr. John D. Taylor and machinist William O. Wordman.
Bertram .408/375CheytacThe .408 Cheyenne Tactical (or .408 Chey Tac) is a specialized rimless bottlenecked centerfire cartridge for military long-range sniper rifles that was developed by Dr. John D. Taylor and machinist William O. Wordman.