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XM8 testing; One shooter is kneeling with an XM8 Carbine and a XM320 (a 40 mm grenade launcher) attached, while the other uses the XM8 sharpshooter (designated marksman) variant. An XM8 compact carbine variant with buttcap attached, fired by a U.S. Army weapons tester. The XM8 is a selective-fire 5.56mm assault rifle, firing from a closed ...
An early XM8 mockup after the break up; became part of OICW Increment 1. The Objective Individual Combat Weapon or OICW was the next-generation service rifle competition that was under development as part of the United States Army OICW program; the program was eventually discontinued without bringing the weapon out of the prototype phase.
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.
A U.S. Army graphic detailing the competitors for the program as of December 2020. The Next Generation Squad Weapon (NGSW) program is a United States military program created in 2017 by the U.S. Army to replace the 5.56mm M4 carbine, the M249 SAW light machine gun, and the 7.62mm M240 machine gun, with a common system of 6.8mm cartridges and to develop small arms fire-control systems for the ...
FN-America HAMR (Federal Cartridge Company 6.8mm cartridge) (United States Marine Corps) - not selected for IAR program; XM8 rifle - not adopted (5.56×45mm NATO) XM29 (5.56×45mm NATO and 20 mm airburst munition (early)/25 mm airburst munition) - program canceled; Advanced Combat Rifle program entries (concluded 1991)
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.
Developed by Alliant Techsystems, with Heckler & Koch as a major subcontractor, the most commonly seen version of the XM29 consisted of a semi-automatic 20×28mm smart grenade launcher, an underslung "KE" assault carbine (derived from the HK G36 then in its late developmental stage) firing a standard 5.56×45mm NATO round, and a top-mounted computer-assisted sighting system with integrated ...
The need for a new light tank for the US Army was an ongoing concern that stretched into the 1950s. A series of experiments ultimately led to the M551 Sheridan entering service in 1967. The designers of the M551 faced a difficult problem; guns capable of destroying main battle tanks at a reasonable range were too heavy to fit onto a lightweight ...