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8mm Lebel replacement. Rimless rifle cartridge. Same bullet diameter as .30-06. Short-lived due to confusion with 7.92mm Mauser. 7.5×54mm French: 1929 France R 7.57x54mm 2700 2232 58 0.308 54mm Case-shortened 7.5×57mm MAS. Standard French rifle cartridge until the introduction of the FAMAS in 1979. 7.62×25mm Tokarev: 1930 [3] USSR [8] 2 [13 ...
By observation, 5.56×45mm NATO ammunition is not as accurate as .223 Remington in many of the AR-type rifles extant, even with the same bullet weight. The .223 Wylde chamber specification developed by Bill Wylde solves this problem by using the external dimensions and lead angle as found in the military 5.56×45mm NATO cartridge and the 0.224 ...
.17-223.17 Ackley Bee.17 CCM.17 Hornet.17 Mach IV.17 Remington.17 Remington Fireball.19-223.19 Badger.19 Calhoon Hornet.20 BR.20 Tactical.20 VarTarg.204 Ruger.22 Accelerator.22 Hornet.22 CHeetah.218 Bee.219 Donaldson Wasp.219 Zipper.303/22.22 Savage Hi-Power.22 BR Remington.22 Eargesplitten Loudenboomer.22 PPC.22 Remington Jet.22 Spitfire.22 WCF
Its shot-to-shot variation is expected to be better than 1 minute of angle (MOA) with match ammunition. This level of accuracy is only average compared to most modern bolt action sniper rifles, but is still exceptional for a semi-automatic rifle and at one time was claimed to be "one of the most accurate semi-automatic sniper rifles in the ...
It also has the fastest rifling twist ratio for the .223 Remington of the three models(1:9 instead of 1:12). Early production rifles had a 1:12 twist rate and post-2014 rifles have the 1:9 twist rate. [3] The CZ 527 Varmint in .223 has muzzle velocities for standard-load 45-grain (2.9 g) ammunition of around 3,500 feet per second (1,100 m/s).
This round is offered by European rifle makers in both bolt-action rifles and a rimmed version. The 7×65 mmR is chambered in double and combination rifles. Another reason for its popularity is its flat trajectory, very good penetration, and high versatility, depending on what bullet and load are used.
The Whisper family was developed as a line of accurate, multi-purpose cartridges using relatively heavy rifle bullets for a given caliber in subsonic loads. [1] [2] [3] The intention was to create an extremely accurate cartridge family for military, police, competition and specialized hunting markets that could also be easily sound suppressed.
The 6×45mm cartridge provides better down range performance than the .223 Remington or the 5.56 NATO cartridges. The cartridge is currently offered by Les Baer in an AR rifle. The cartridge had been offered by Cooper Arms, Kimber and a few other rifle manufacturers in their rifles as a regular factory chambering for a period of time. [3]