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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 ...
The 6.8 SPC, also known as the 6.8mm Remington SPC, is an intermediate rifle round designed to outperform the 5.56. This is especially true when it came to close quarters use, the 5.56 was underperforming in the close range firefights that were common in the urban combat in Iraq.
Here is an in depth history of the 6.8 SPC along with pros, cons, ballistics, and what it's used for in the civilian world.
6.8mm Remington SPC ammo for sale online or in-store at Sportsman's Warehouse. Find a full line of 6.8mm Remington SPC ammo from all major ammunition manufacters.
The Remington 6.8x43 mm SPC cartridge chambered in the Barrett M468 carbine gets more punch out of the M4 and M16 platforms than the 5.56x45 mm. Elements within the U.S. Special Forces...
The 6.8 SPC is a round that easily outperforms the 5.56x45 and 7.62x39. By Layne Simpson. Although it developed the cartridge, Remington no longer chambers it, but several AR makers do, and Ruger has it in a Mini-14 and a Model 77 Hawkeye Compact.
Intended to launch heavier bullets than the standard U.S. 5.56 round, the 6.8 Remington SPC uses the 1906-vintage .30 Remington cartridge shortened and necked down to accept a .270-caliber (6.8mm) bullet. Holland and Murray selected the .30 Remington as a parent case for two reasons.
The 6.8 Remington SPC is a well-renowned cartridge, which is a great alternative to using the 5.56 NATO in your AR 15 rifle. In this 6.8 SPC guide, we will reveal all the information you need to know about the 6.8 SPC ballistics and why this round is great for close-range combat, competition shooting, and hunting.
Essentially a development of the .30 Remington AR cartridge, which can also be seen as a rimless .30-30 Winchester, the round that became the 6.8 SPC used a shell body diameter larger than 5.56mm NATO– although it is the same cartridge length– but just smaller than 7.62×39.
The 6.8 SPC came on the scene in 2004 as a joint effort between Remington and the U.S. Army Marksmanship Unit to introduce a new cartridge with more lethality than the 5.56 NATO/.223 Rem for the M4 carbine.