The 35 Whelen was developed by Griffin & Howe in the 1920s with gunwriter Colonel Townsend Whelen's influence. It remained a popular wildcat for more than 60 years and was standardized by Remington as a factory cartridge in 1987. Based on the 30-06 case necked up to take a .358-inch bullet, the 35 Whelen is extremely hard-hitting, yet produces surprisingly mild recoil. Within 200 yards it is as effective as the 338 Winchester Magnum, a fine choice for elk and moose in timber and adequate for the biggest bears. It is probably the most popular 35-caliber rifle cartridge, with a good selection of factory loads including: 200-grain bullet at 2675 feet per second; and 250-grain bullet at a very credible 2400 fps. Remington has remained the primary source for production rifles, but it is offered in some other platforms.