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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. Barrett REC7 - Wikipedia

    en.wikipedia.org/wiki/Barrett_REC7

    It is an M4 carbine utilizing a short-stroke gas piston system and is available in either 5.56×45mm NATO or 6.8mm Remington SPC. The REC7 is Barrett's second AR-pattern rifle chambered for the 6.8mm Remington SPC cartridge, the first being the Barrett M468 rifle. The 6.8 SPC-chambered M468 rifle employed the same Stoner expanding gas system as ...

  4. Next Generation Squad Weapon - Wikipedia

    en.wikipedia.org/wiki/Next_Generation_Squad_Weapon

    A U.S. Army graphic detailing the competitors for the program as of December 2020. The Next Generation Squad Weapon (NGSW) program is a United States military program created in 2017 by the U.S. Army to replace the 5.56mm M4 carbine, the M249 SAW light machine gun, and the 7.62mm M240 machine gun, with a common system of 6.8mm cartridges and to develop small arms fire-control systems for the ...

  5. List of AR platform cartridges - Wikipedia

    en.wikipedia.org/wiki/List_of_AR_platform_cartridges

    The rebated rim dimensions exactly match the 6.8mm Remington SPC case, allowing the use of the 6.8mm SPC bolt-face of an AR-15, but the case has a base diameter of .4400" and cannot be reformed from any other existing case. The 400 LGND uses .4005" jacketed rifle bullets. 450 Bushmaster, Uses .284 Winchester cases. Cut the length to 1.700" to ...

  6. Table of handgun and rifle cartridges - Wikipedia

    en.wikipedia.org/wiki/Table_of_handgun_and_rifle...

    The rimmed .375 H&H Flanged Magnum for double-guns and the .375 H&H Belted Rimless Magnum with a headspacing belt for magazine-fed rifles were released simultaneously in 1912. .375 Ruger: 2007 US 1 [4] R [5] 9.5×65.5mm 2840 [4] 4835 [4] 3.405 90.5 [10] 0.375 [10] 0.430 [5] 65.5mm Developed in collaboration between Ruger and Hornady. [citation ...

  7. .277 Wolverine - Wikipedia

    en.wikipedia.org/wiki/.277_Wolverine

    The smaller case of the .277 Wolverine (compared to the 6.8 SPC) is more efficient and has less recoil due to its smaller propellant load. With lighter bullets in the 80-90 gr range (5.2-5.8 g), the velocities were slightly slower than typical 5.56×45mm rounds, but the .277 Wolverine provided substantially increased energy due to greater ...

  8. Adaptive Combat Rifle - Wikipedia

    en.wikipedia.org/wiki/Adaptive_Combat_Rifle

    It is only available for the military and law enforcement market in 5.56×45mm NATO, 6.8mm Remington SPC [33] and 6.5mm Grendel. [34] It can change caliber in minutes at the user level by changing the bolt head, barrel, and magazine. All of the rifle's parts can be easily stripped for cleaning and all of its controls are fully ambidextrous. [32]

  9. List of assault rifles - Wikipedia

    en.wikipedia.org/wiki/List_of_assault_rifles

    6.8mm Caseless United States: no 2005 Multi Caliber Individual Weapon System: Ordnance Factory Tiruchirappalli: 5.56×45mm NATO 7.62×39mm 6.8mm Remington SPC India 2012 Nesterov assault rifle: 7.62×39mm Soviet Union: 1961 Norinco CQ: Norinco: 5.56×45mm NATO China: Yes 1980s-present Norinco Type 86S: Norinco: 7.62×39mm China: 1980s OTs-12 Tiss

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