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  • .243 Winchester Super Short Magnum

    .243 Winchester Super Short Magnum


    The 243 Winchester Super Short Magnum or 243 WSSM is a rifle cartridge introduced in 2003. It uses a .300 WSM (Winchester Short Magnum) case shortened and necked down to accept a .243in/6mm diameter bullet, and is a high velocity round based on ballistics design philosophies that are intended to produce a high level of efficiency.[2] The correct name for the cartridge, as listed by the Sporting Arms and Ammunition Manufacturers' Institute (SAAMI), is 243 WSSM, without a decimal point.[3] Winchester has discontinued the manufacture of 243 WSSM ammunition. As of the first half of 2016, Winchester/Olin did manufactured and release for sale some WSSM ammunition. The product is only manufactured periodically, often on inconsistent intervals.

  • .243 Winchester  

    .243 Winchester

    243 WIN Cartridge.jpg

    The .243 Winchester (6×52mm) is a popular sporting rifle cartridge. Initially designed as a target/varmint round, it may be used for animals such as coyote, blacktail deer, whitetail deer, mule deer, pronghorn, and wild hogs. It can also be used against larger animals such as black bear or elk but is sometimes said to be "too light" for such large animals. Rounds of at least 90 grains are better suited for hunting larger animals while rounds less than 90 grains are more suitable for varmints.[3] The .243 is based on a necked down .308 cartridge case. It is very popular with target shooters, Metallic Silhouette, and long range shooters, because of its accuracy and low recoil.

  • .240 Weatherby Magnum

    .240 Weatherby Magnum


    The .240 Weatherby Magnum was developed in 1968 by Roy Weatherby. In the development of his own .240in/6 mm cartridge, Weatherby was significantly influenced by both the success and the limitations of the .244 H&H Magnum cartridge devised in England by his friend and colleague David Lloyd. It was the last cartridge to be designed by Roy Weatherby.[2]

  • .225 Winchester

    .225 Winchester

    .225 Winchester with .223 Rem and .308 Win.JPG

    The .225 Winchester cartridge was introduced in 1964 by the Winchester Repeating Arms Company.


    Based on the .219 Zipper case but with a reduced rim diameter[2] to fit the common .473" bolt face, it was intended as a replacement for the .220 Swift cartridge which had a reputation for burning out barrels. Despite having a modern straight taper design, the round was eclipsed by the older .22-250 Remington, already a popular wildcat introduced commercially a year later.


    The .225 Winchester was chambered in factory rifles by Winchester (Models 70 and 670) and Savage (Model 340). All commercially produced rifles chambered in .225 Winchester were turn-bolt actions. Winchester ceased producing rifles chambered in .225 Winchester in 1971, however seasonal production of loaded ammunition and brass continues by Winchester. Reloading dies for the round are readily available.


    The .225 Winchester's case is a parent case for some of SSK Industries'[3] popular line of JDJ cartridges designed by J.D. Jones, chosen for its strength and semi-rimmed design which makes it well suited for use in break-open actions.[4]

  • .224 Weatherby Magnum

    .224 Weatherby Magnum


    The .224 Weatherby Magnum (5.56×49mmB) is a sporting cartridge that was developed in 1963 by Roy Weatherby after about 10 years of development.[2] It is a proprietary cartridge with no major firearms manufacturers chambering rifles for it other than Weatherby. It was originally called the .224 Weatherby Varmintmaster when it was introduced alongside the Weatherby Varmintmaster rifle, but the rifle was discontinued in 1994 and the cartridge was renamed.

  • .223 Winchester Super Short Magnum

    .223 Winchester Super Short Magnum


    The .223 WSSM (Winchester Super Short Magnum, 5.56×42mm) is a .224 caliber rifle cartridge created by Winchester and Browning based on a shortened version of the Winchester Short Magnum case.

  • .223 Remington

    .223 Remington


    The .223 Remington (.223 Rem) is a rifle cartridge. The name is commonly pronounced either two-twenty-three or two-two-three Remington. It is commercially loaded with 0.224 inch (5.56 mm) diameter jacketed bullets, with weights ranging from 40 to 85 grains (2.6 to 5.8 g), though the most common loading by far is 55 grains (3.6 g). A 90 gr Sierra Matchking bullet is available for reloaders. [3] The .223 Rem was first offered to the civilian sporting market in December 1963 in the Remington 760 rifle. [4] In 1964 the .223 Rem cartridge was adopted for use in the Colt M16 rifle which became an alternate standard rifle of the U.S. Army. The military version of the cartridge uses a 55 gr full metal jacket boattail design and was designated M193. In 1980 NATO modified the .223 Remington into a new design which is designated 5.56×45mm NATO type SS109. [5]

  • .222 Remington Magnum  

    .222 Remington Magnum

    The .222 Remington Magnum was a short-lived commercially produced cartridge derived from the .222 Remington. Originally developed for a US military prototype Armalite AR-15 rifle in 1958, the cartridge was not adopted by the military, but was introduced commercially in sporting rifles.

  • .222 Remington

    .222 Remington


    The .222 Remington, which is also known as the Triple Deuce/Triple Two/Treble Two is a centerfire rifle cartridge. Introduced in 1950, it was the first commercial rimless .22 (5.56 mm) cartridge made in the United States. As such, it was an entirely new design, without a parent case.[2] The .222 Remington was a popular target cartridge from its introduction until the mid-1970s and still enjoys a reputation for inherent accuracy. It remains a popular vermin or "varmint" cartridge at short and medium ranges with preferred bullet weights of 40-55 grains and muzzle velocities from 3000-3500 fps.

  • .22-250 Remington

    .22-250 Remington

    The .22-250 Remington is a very high-velocity (capable of reaching over 4000 feet per second), short action, .22 caliber rifle cartridge primarily used for varmint hunting and small game hunting, though it finds occasional use on deer.[2] This cartridge is also sometimes known as the .22 Varminter or the .22 Wotkyns Original Swift.[3] Along with the .220 Swift, the .22-250 was one of the high-velocity .22 caliber cartridges that developed a reputation for remote wounding effects known as hydrostatic shock in the late 1930s and early 1940s.[4][5]

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