Two additional bullet weights were soon introduced: a 100 grain (6.5 gram) hollow-point bullet for varmint shooting, and a 150 grain (9.7 gram) bullet, offering a higher sectional density, which made it suitable for achieving better penetration for large sized deer, such as wapiti, and moose. The cartridge was initially commercially loaded to drive a 130 grain (8.4 gram) bullet at approximately 960 m/s (3,140 ft/s), later reduced to 930 m/s (3,060 ft/s), demonstrating a high performance at the time of its introduction while being marketed as a suitable cartridge for big game shooting in the 270 to 460 metres (300 to 500 yd) range. 270 Winchester, conceived solely as a big game hunting cartridge, became very popular, in part, due to the widespread praises of gun writer Jack O'Connor who used the cartridge for 40 years and touted its merits in the pages of Outdoor Life as well as other renowned gun writers of the time such as late Col. 277" caliber cartridge was capable of shooting flatter than the popular ?. 270 Winchester attained great popularity among hunters and sporting rifle enthusiasts along the succeeding decades and especially in the post- World War II period, ranking it among the most popular and widely used big game hunting cartridges worldwide especially with the widespread popularity of rifle scopes. 30-06 Springfield, chambered for the M1903 Springfield bolt action rifle, which could be sports modified for hunting purposes the larger popularity for lever action rifles held by American hunters and the lack of exposure in gun publications back in the day. 270 Winchester was not an immediate success due to the popularity of the then, relatively recent introduction of the.
Introduced in 1925 along with the Winchester Model 54 bolt action rifle under the name "270 WCF" (270 Winchester Centerfire), the. 30-03 parent case and the bore diameter was likely inspired by 7mm Mauser. 280 Remington, both of which are longer than the. 270 Winchester is a rifle cartridge developed by Winchester Repeating Arms Company in 1923 and unveiled in 1925 as a chambering for their bolt-action Model 54.