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The .270 Winchester is a rifle cartridge developed by Winchester Repeating Arms Company in 1923, and it was unveiled in 1925 as a chambering for their bolt-action Model 54 [3] to become arguably the flattest shooting cartridge of its day, only competing with the .300 Holland & Holland Magnum, also introduced in the same year.
The 270 Winchester Short Magnum or 270 WSM is a short magnum cartridge created by necking down the .300 Winchester Short Magnum and fitting it with a .277 caliber bullet. The correct name for the cartridge, as listed by the Sporting Arms and Ammunition Manufacturers' Institute (), is 270 WSM, without a decimal point. [3]
WSM and WSSM family of cartridges. From left to right: .223 WSSM, .243 WSSM, .25 WSSM, .270 WSM, 7 mm WSM, .300 WSM, .325 WSM. Winchester Super Short Magnum, or WSSM is a line of rebated bottlenecked centerfire short magnum cartridges introduced by the U.S. Repeating Arms Company (Winchester Inc). [1]
List of Winchester Center Fire rifle cartridges.More commonly known as WCF, it is a family of cartridges designed by Winchester Repeating Arms Company. [1] There are many other Winchester cartridges that do not carry the WCF moniker, such as the .300 WSM. .270 Winchester, and .300 Winchester Magnum
There are also many more factory loads available for the .270 Winchester over the .280 Remington at a lower price point due to the .270's much greater popularity. [ 2 ] Renowned for being a strong advocate of the .270 Winchester, gun writer Jack O'Connor 's last rifle was a Ruger M77 restocked by Alvin Biesen but this time chambered in .280 ...
A .308 Winchester necked down to 7 mm (.284 caliber), the 7 mm-08 provides a flatter trajectory with lighter, more aerodynamic 7 mm bullets. [14] 7-30 Waters. Designed to improve the performance of lever-action rifle designs dating back to the 1890s, the 7-30 Waters is a .30-30 Winchester necked down to 7 mm (.284 caliber). Even with the lower ...
At present Remington, Winchester, HSM, and DoubleTap Ammunition produce ammunition for this cartridge. Manufacturers offer a 140 gr (9.1 g) bullet at 3,030 ft/s (920 m/s). This ammunition has a maximum point blank range of 300 yd (270 m) when sighted in at 250 yd (230 m). Some ammunition offers premium 140 gr (9.1 g) Nosler Partition and 125 gr ...
A cartridge, [1] [2] also known as a round, is a type of pre-assembled firearm ammunition packaging a projectile (bullet, shot, or slug), a propellant substance (smokeless powder, black powder substitute, or black powder) and an ignition device within a metallic, paper, or plastic case that is precisely made to fit within the barrel chamber of ...