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...

What is the 6.8 SPC and what makes it exciting? Designed to essentially split the difference between the 5.56 and 7.62 NATO as an intermediate cartridge, the caliber is interesting, brings a lot to the table, and coupled with the right rifle for the round, is exceptionally capable.

Jun 6, 2019 · What is the 6.8 SPC? 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.

Oct 4, 2023 · In 2022, the U.S. Army finally concluded its search for a new battle rifle, lightweight machine gun, and cartridge, choosing Sig Sauer’s design. The iconic 5.56mm appears to have largely been superseded by the 6.8mm. But what do we know about this chambering? And what, specifically, do we know about the 6.8×51 Common Cartridge?

Feb 18, 2024 · The 6.8 round caliber is designed to deliver a flatter trajectory and better terminal ballistics compared to traditional 5.56mm ammunition. This translates to improved accuracy and lethality at medium range, making it a preferred choice for shooters seeking consistent performance in their firearms.

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Feb 3, 2015 · Here are some of the best 6.8 SPC rifles and carbines available on the market today. Ambush 6.8 SPC II. The Ambush 6.8 SPC II, designed by Ambush Firearms, a sister company of Daniel Defense, features a cold-hammer-forged, 18-inch barrel with a …

Mar 27, 2025 · 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. We will also compare the 6.8 SPC cartridge with both the .223 and the 5.56 rounds to see how they really match up. Is this article helpful to you?

Dec 26, 2021 · Many 6 mm, 6.5 mm, 6.8 mm, 7 mm, and 7.62 mm cartridges were considered and tested, but it was ultimately decided that the 6.8x43 mm Special Purpose Cartridge (SPC), with a 115-gr. bullet moving...

Jun 19, 2017 · 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.