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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 ]
Rimmed version of the .308 Winchester, for use in lever-action rifles. .308 Marlin Express: 2006 US 1 [4] R [5] 7.62×48mm 2800 [4] 2514 [4] 1.796 47.7 [10] 0.308 [10] 0.395 [5] 48mm Based upon a slightly shortened .308 Winchester cases with FTX bullets and special powder to approach .308 ballistics from a Marlin lever-action rifle. .308 Norma ...
Example of a ballistic table for a given 7.62×51mm NATO load. Bullet drop and wind drift are shown both in mrad and MOA.. A ballistic table or ballistic chart, also known as the data of previous engagements (DOPE) chart, is a reference data chart used in long-range shooting to predict the trajectory of a projectile and compensate for physical effects of gravity and wind drift, in order to ...
The American ammunition manufacturer Hornady got the 300 Precision Rifle Cartridge [15] SAAMI-standardized in 2018. [16] [17] In 2019 it got C.I.P.-standardized as the 300 PRC. [18] The .375 Ruger cartridge has functioned as the parent case for the .300 Precision Rifle Cartridge (300 PRC), [19] which is essentially a necked-down version of the ...
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".
Olin Corporation-Winchester Division, Case Nos. 03-1036-KI (lead case), 04-31-KI, 04-76-KI (D. Or. Nov. 2, 2005). Inventor John R. Jameson had developed and patented several designs for short magnum rifle cartridges. [citation needed] Jameson approached Olin/Winchester ammunition with his invention. The court found that Olin/Winchester and ...
The Hornady Superformance ammunition drives a 270-grain (17 g) SP-RP bullet at 2,840 ft/s (870 m/s) and the 300-grain (19 g) DGS and DGX bullets at 2,660 ft/s (810 m/s). The original Hornady loads were not Superformance, but had the same velocity, with the Superformance loading offering lower recoil due to a smaller propellant charge, and less ...
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.