The XM7, previously known 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 …

2022年4月20日 · Page details technical specifications, development, and operational history of the SIG-Sauer M5 (XM5) Modular Assault Carbine including pictures.

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.

2022年1月13日 · The SIG SAUER SLX Series of suppressors are designed to drastically reduce toxic fume inhalation by the end-user and sound reduction and are available commercially for 5.56, 7.62 NATO, and SIG FURY 277 calibers.

2022年5月17日 · 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)

2022年11月30日 · 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.

2023年1月19日 · The service's upcoming M5 from Sig Sauer will now be called the M7 after it was discovered Colt Industries also makes a weapon called the M5. The light machine gun set to replace the M249 Squad...

2022年6月3日 · 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.

4 天之前 · The XM5 is designed to fire the new 6.8×51mm SIG Fury cartridge in response to concerns that improvements in body armour have diminished the effectiveness of the 62-grain, 5.56mm NATO M855A1 Enhanced Performance Round (EPR) -- adopted by the Army in 2010 and used in the M4 and M249.