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 …

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.

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 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.

Jun 3, 2022 · 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.

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.

1 day ago · Graphic shows the SIG Sauer XM5 / MCX Spear rifle. October 27, 2022 - For the first time in six decades, the U.S. Army is introducing a new squad weapon -- a SIG Sauer rifle in a larger calibre, with a fire control system and suppressor.

Apr 13, 2023 · Shooting prone from a rest, we tested the MCX Spear for accuracy, shooting 5-shot groups. Starting off with M80, 147-grain from GGG, the Spear grouped at about 2.2 MOA. Next up was Federal Premium 168-grain, which was much more consistent. The final shot group was approximately 1.1 MOA.

Apr 20, 2022 · The MCX-SPEAR is a further evolution of the AR-15 and features all-modern qualities including ambidextrous fire controls, a long section of Picatinny rail over the frame / forend, a vented forend, two-stage match trigger, and …