The XM7, previously designated 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.

SIG MCX-SPEAR FEATURES: Civilian version of the U.S. Army’s new XM7 rifle; Available in 7.62x51 and coming soon in 277 SIG FURY; Non-reciprocating side and rear charging handle for maximum flexibility in shooting position; Fully ambidextrous controls including bolt …

The SIG MCX Spear (stylized as MCX-SPEAR) is a multi-caliber rifle developed by the American division of SIG Sauer from the SIG MCX series of carbines. The SIG MCX Spear is primarily chambered in .277 SIG FURY but can be adapted to 7.62×51mm NATO and 6.5mm Creedmoor with a barrel change.

May 17, 2022 · The NGSW-R, the XM5 rifle, is Sig Sauer's MCX Spear. Using a 20-round magazine, it is chambered in a new 6.8x51 caliber. (Photo: Chris Eger/Guns.com)

Mar 1, 2023 · It uses a 16-inch 1:10 twist barrel with a 5/8x24TPI threaded muzzle under the SLH and SLX suppressor-ready QD mount flash hider. The Sig Sauer MCX Spear is a multi-caliber platform that can...

The XM7 assault rifle, previously known as the XM5 is the United States Army variant of the SIG MCX Spear, a 6.8×51mm (.277 in), gas-operated, magazine-fed, assault rifle designed by firearms manufacturer SIG Sauer for the Next Generation Squad Weapon Program in 2022 to replace the U.S. army M4 carbine.

The SIG Sauer MCX Spear is the new standard service rifle for the United States Army as the XM5 and is now available in a semi-auto-only platform for civilian sales.

Jun 5, 2024 · The SIG SPEAR, officially known as the XM5, is the result of SIG Sauer's innovative engineering and design, crafted specifically to meet the demanding needs of modern warfare. It’s the chosen weapon to replace the M4 carbine and M249 Squad Automatic Weapon, promising greater accuracy, range, and versatility.

Apr 20, 2022 · The MCX-SPEAR is a further evolution of the AR-15 and features all-modern qualities including ambidextrous fire controls, a long section of Picatinny rail over the frame / forend, a vented forend, two-stage match trigger, and …

Jan 16, 2025 · 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.