Capable of muzzle velocities in excess of 3,000 FPS with a 113gr bullet out of a 16” barrel, the MCX-SPEAR rifle is achieving the Army’s goal of advanced performance while also exceeding the requirements for durability.

The .277 Fury or 6.8×51mm Common Cartridge [4] [5] (designated as the .277 SIG Fury by SAAMI) [1] is a centerfire, rimless, bottlenecked rifle cartridge announced by SIG Sauer in late 2019. [2] Its hybrid, three-piece cartridge case has a steel case-head and brass body connected by an aluminum locking washer to support the high chamber ...

Oct 4, 2023 · The 6.8x51mm Common Cartridge, also known as the .277 Fury, was developed by Sig Sauer as part of the United States Army’s Next Generation Squad Weapon Program…more on that in a minute. The round is a hybrid three-piece with steel case head and brass body.

Mar 31, 2025 · If the Sig MCX-SPEAR is a little out of your price range, Sig has plans to offer their Sig Sauer Cross-PRS bolt action rifle in the new .277 Sig Fury caliber. While not as sexy and cool as the Spear, the Cross is a well-made precision rifle.

May 17, 2022 · Many entered, a few were selected, but the final winner was recently announced as being Sig Sauer with their XM5 rifle, XM250 LMG, and the .277 SIG FURY (6.8x51mm) cartridge. The XM5 is Sig’s MCX Spear rifle (basically a MCX Virtus scaled up from 5.56 NATO to 6.8x51mm) and the XM250 is Sig’s MG-338 that SOCOM is testing but scaled down a ...

In combination with the groundbreaking 6.8x51 hybrid ammunition, the SIG SAUER MCX-SPEAR has become the pinnacle by which rifle capabilities will be judged. Capable of muzzle velocities in excess of 3000FPS with a 113gr bullet out of a 16”barrel, the SIG SAUER MCX-SPEAR rifle is achieving the Army’s goal of advanced performance while also ...

Paired with the innovative 6.8x51 hybrid ammunition, the MCX-SPEAR sets a new standard for rifle performance and capability. With muzzle velocities exceeding 3,000 FPS from a 16” barrel using a 113gr bullet, the MCX-SPEAR meets the Army’s …

The XM250 is the U.S. military designation for the SIG LMG 6.8, a 6.8×51mm (.277 in), gas-operated, belt-fed light machine gun designed by SIG Sauer for the U.S. Army's Next Generation Squad Weapon Program in 2022 to replace the M249 light machine gun.

Apr 30, 2024 · The Spear XM5 and the SIG Light Machine Gun (XM250) run the recently developed 6.8×51 (277 SIG FURY) hybrid steel/brass ammunition. Before we get into the weeds of the cartridge itself, you need to understand the why behind it.

Jan 16, 2025 · Now for the first time, this technology will be available to the U.S. civilian market with the MCX-SPEAR rifle chambered in 6.8x51 along with a family of Hybrid Ammunition from SIG SAUER.