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 …

Apr 20, 2022 · Page details technical specifications, development, and operational history of the SIG-Sauer M5 (XM5) Modular Assault Carbine including pictures.

Nov 30, 2022 · On April 19, 2022, the U.S. Army announced that SIG Sauer’s submission for the Next Generation Squad Weapon competition, the MCX Spear, won the contract and would be designated the M5 as the service’s new standard-issue rifle.

The SIG MCX is a family of firearms designed and manufactured by SIG Sauer, produced in both selective fire and semi-automatic only models, and features a short-stroke gas piston system, which is inherited from the earlier SIG MPX submachine gun.

Jan 22, 2025 · SIG released a handful of civilian semiauto M5 / Spear rifles and thanks to Illumin Arms I have one to examine.The rifle (Spear is its commercial designation; M5 is the military one) is an evolution of the SIG MCX, which is in turn an evolution of the AR-15 and AR-18 systems.

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.

Dec 5, 2024 · 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.

Apr 13, 2023 · Sig Sauer threw their hat in the ring with the XM5. This moniker was later dropped in favor of the XM7 since Colt had already claimed the M5 as the improved version of the M4. The U.S. Army awarded a 10-year contract to Sig in 2022.

Jan 13, 2022 · The Sig Sauer MCX-Spear is a multi-caliber platform that can swap between .277 Fur, 6.5 Creedmoor, and 7.62 NATO via a simple barrel change at the user-level.