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.

The XM7 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 the 5.56×45mm NATO round used in the M4 carbine and M249 SAW and increase their lethality and effective ranges compared to common battlefield rounds such as the 5.56×45mm NATO and 7.62×51mm ...

2024年6月15日 · XM7（前称：XM5）是SIG MCX Spear突击步枪的美国陆军衍生型，发射.277 Fury （ 英语 ：.277 Fury ） （6.8×51毫米）口径子弹 [1] [8] 。 它是由 西格&绍尔 （SIG Sauer）于2022年为了参与“ 下一代班用武器计划 （ 英语 ： Next Generation Squad Weapon Program ） ”（Next Generation Squad ...

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. Now for the first time, this technology will be available to the U.S. civilian market with the MCX-SPEAR rifle chambered ...

The XM7 NGSW-R is designed to fire 6.8×51mm ammunition, which consists of a polymer case with a brass base, and a bullet made of a copper core with a steel penetrator tip. The ammunition is designed to provide better accuracy, lethality, and …

2024年9月25日 · 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 weapons were issued to infantry units including the 101st Airborne Division and received resounding praise.

在2023年初美国陆军又宣布将xm5重新命名为xm7，据称是因为发现柯尔特公司已经注册了m5步枪，所以为了避免将来正式定型为m5步枪时出现混乱，所以决定重新命名。

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.

The XM7 is a modular, piston driven, select fire, magazine fed, 6.8mm rifle. Its fully ambidextrous controls are similar to M4/M4A1 carbine operations with additional ergonomic features to...

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 ...