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  2. 6.8mm Remington SPC - Wikipedia

    en.wikipedia.org/wiki/6.8mm_Remington_SPC

    The 6.8mm Remington Special Purpose Cartridge (6.8 SPC, 6.8 SPC II or 6.8×43mm) is a rimless bottlenecked intermediate rifle cartridge that was developed by Remington Arms in collaboration with members of the U.S. Army Marksmanship Unit and United States Special Operations Command [6] to possibly replace the 5.56 NATO cartridge in short barreled rifles (SBR) and carbines.

  3. XM7 rifle - Wikipedia

    en.wikipedia.org/wiki/XM7_rifle

    XM7 rifle. The XM7, previously known as the XM5, is the U.S. Army variant of the SIG MCX Spear, a 6.8×51mm (.277 in), gas-operated, magazine -fed assault rifle [1] designed by SIG Sauer for the Next Generation Squad Weapon Program in 2022 to replace the M4 carbine. The XM7 features a free-floating reinforced M-LOK handguard for direct ...

  4. Overpressure ammunition - Wikipedia

    en.wikipedia.org/wiki/Overpressure_ammunition

    Speer Gold Dot 124gr 9mm+P in SIG P226 magazines. Overpressure ammunition, commonly designated as +P or +P+ (pronounced Plus-P or Plus-P-Plus), is small arms ammunition that has been loaded to produce a higher internal pressure when fired than is standard for ammunition of its caliber (see internal ballistics), but less than the pressures generated by a proof round.

  5. .30-06 Springfield - Wikipedia

    en.wikipedia.org/wiki/.30-06_Springfield

    Though not optimal for dangerous game, the .30-06 is adequate for hunting African plains game. [42] With 150-grain bullets, the .30-06 Springfield is a perfect option for medium-sized game such as deer and sheep. Leaving the muzzle at 2950 fps, it gives the hunter a maximum point blank range slightly short of 300 yards.

  6. 6.5mm Grendel - Wikipedia

    en.wikipedia.org/wiki/6.5mm_Grendel

    6.5mm Grendel. The 6.5mm Grendel is an intermediate cartridge jointly designed by British-American armorer Bill Alexander, competitive shooter Arne Brennan (of Houston, Texas) and Lapua ballistician Janne Pohjoispää, as a low- recoil, high- precision rifle cartridge specifically for the AR-15 platform at medium/long range (200–800 yard).

  7. CCI Ammunition - Wikipedia

    en.wikipedia.org/wiki/CCI_Ammunition

    CCI was founded by Dick Speer (brother of Vernon Speer, who founded Speer Bullets) in the early 1950s. Arvid Nelson was a partner in the business. The firm's first shipment was part of a defense contract to make primers using chlorate FA-70. CCI later moved on to much safer formulas for sporting ammunition.

  8. .458 Winchester Magnum - Wikipedia

    en.wikipedia.org/wiki/.458_Winchester_Magnum

    The .458 Winchester Magnum is a belted, straight-taper cased, Big Five game rifle cartridge. It was introduced commercially in 1956 by Winchester and first chambered in the Winchester Model 70 African rifle. [3] It was designed to compete against the .450 Nitro Express and the .470 Nitro Express cartridges used in big bore British double rifles ...

  9. .308 Winchester - Wikipedia

    en.wikipedia.org/wiki/.308_Winchester

    2,510 ft/s (770 m/s) 2,588 ft⋅lbf (3,509 J) Test barrel length: 24 in (26 in for Lapua) [1] The .308 Winchester is a smokeless powder rimless bottlenecked rifle cartridge widely used for hunting, target shooting, police, military, and personal protection applications globally. It is similar, but not identical, to the 7.62×51mm NATO cartridge.