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.

Introducing the MCX-SPEAR, the civilian version of the U.S. Army’s new XM7 rifle. The MCX-SPEAR is available in 7.62x51 and coming soon in 277 SIG Fury. The next generation has arrived.

2024年12月16日 · With its advanced design, more powerful ammunition and enhanced capabilities, the XM7 promises to redefine the way troops engage enemy forces on the battlefield. Why was the XM7 developed? Soldier with the US Army Southern European Task Force, Africa firing an M4 Carbine during marksmanship training at …

2024年9月25日 · On April 19, 2022, the U.S. Army awarded SIG Sauer a $20.4M-contract for the Next Generation Squad Weapon. Under the contract, SIG is supplying the Army with the new XM7 rifle and XM250 automatic rifle, both chambered in the new 6.8x51mm hybrid cartridge.

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 XM7 rifle was designed to fire the 6.8×51mm SIG Fury cartridge in response to concerns that improvements in body armor would diminish the effectiveness of common battlefield rounds such as the 5.56×45mm NATO (used in the M4 and M249) and 7.62×51mm NATO.

2024年12月20日 · The XM7 fires a much newer 6.8 x 51mm NATO round, able to fire through body armor from farther distances. This new round is called the Common Cartridge which can operate with an effective range of 600 meters, roughly twice that of the 5.56.

2024年4月17日 · The XM7 is the Army’s replacement for the M4 while the XM250 will replace the M249 Squad Automatic Weapon. Both new weapons are chambered in 6.8mm, a larger and more powerful round than the ...

The XM7 is chambered in the new 6.8x51mm (or .277 fury), the new round is designed for penetrating near-peer adversary body armor. The 6.8x51mm is a hybrid case, featuring a brass case with a steel base to handle the high pressure.

2024年6月25日 · In addition to domestic legal issues, the SIG NGSW contract faces an international challenge: NATO. The XM7 and XM250 are both chambered in a 6.8x51mm cartridge. This new round is not standardized by NATO or produced outside of the U.S. A key advantage of NATO is that the militaries of member nations can share ammunition.