Charter Arms Co. is an American manufacturer of revolvers. The original Charter Arms produced revolvers chambered in calibers .22 Long Rifle, .22 Winchester Magnum, .32 Long, .32 H&R Magnum, .327 Federal Magnum, .357 Magnum, .38 Special and .44 Special. The most famous revolvers manufactured by Charter Arms are the .44 Special Bulldog and .38 Special Bulldog Pug.