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The .270 Winchester cartridge is equipped with a 130-grain bullet traveling at approximately 3,060 feet per second (fps). When sighted in to intersect 3 inches above the line of sight at 100 yards (about 90 meters), it maintains a trajectory that rises no more than 3.5 inches and aligns with the line of sight around 270 yards.
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 ( SAAMI ), is 270 WSM, without a decimal point. [ 3 ]
The .270 Weatherby Magnum was the first belted magnum based on the .300 H&H Magnum to be developed by Roy Weatherby in 1943. [2] The cartridge is short enough to function in standard-length long actions with a brass length of 2.549" or 64.74mm and an overall length of about 3.295".
In November, 1943 it was the first plant to package ammo in vacuum-packed metal cans. In the Spring and Summer of 1944 it was employed in inspecting and repacking .45 ACP and .30 Carbine ammunition. EW Eau Claire Ordnance Plant (August 1942 to December 1943) – Eau Claire, Wisconsin a division of US Rubber Co.
Federal significantly expanded the number of .224 Valkyrie loads it offers. The Varmint and Predator load hold 60-grain Hornady V-MAX bullets. The 80.5-grain Gold Medal Berger Match was designed for long-range target shooting. The 78-grain Barnes TSX copper hollow point is a hunting round for large game such as deer. [17]
.327 Federal Magnum.33 Nosler.33 Winchester.333 Jeffery.338 Blaser Magnum.338 Edge.338 Federal.338 Lapua Magnum.338 Marlin express.338 Norma Magnum.338 Remington Ultra Magnum.338 Ruger Compact Magnum.338 Weatherby RPM.338 Winchester Magnum.338-06.338-378 Weatherby Magnum.338 Whisper.340 Weatherby Magnum.348 Winchester.35 Remington.35 Whelen
In 1925, Winchester introduced the .270 Winchester, previously known as the .270 WCF, based on the 30-06 Springfield case necked down to .277" (6.8 mm). Although the .270 Winchester was not an instant success, within a few decades it became one of the most popular big game hunting cartridges for mid sized game worldwide, because of its relatively mild recoil and flat trajectory within ...
130-grain (8.4 g) – soft point 150-grain (9.7 g) – round nose The next important change in the history of the rifle bullet occurred in 1882, when Lieutenant Colonel Eduard Rubin , director of the Swiss Army Laboratory at Thun, invented the copper-jacketed bullet — an elongated bullet with a lead core in a copper jacket.