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The M40 rifle is a bolt-action sniper rifle used by the United States Marine Corps. [1] It has had four variants: the M40, M40A1, M40A3, and M40A5. [2]
Taking the M27 as the basis for a new design, the Army developed an improved version of the M27 that was type-designated the M40 106-mm recoilless rifle in 1955. [22] Although unsuitable for military purposes, M27 recoilless rifles were used to trigger controlled avalanches at ski resorts and mountain passes in the United States. [23]
M40 rifle – M40A3, M40A5 and M40A6 variants in use as sniper rifles. Barrett 50 Cal/M82/M107 – in use as the M82A3 and M107 variants. The M82A3 being an upgraded M82A1A, and the M107 being a variant made in response to requirements issued for an anti-materiel rifle.
The Type-60 self-propelled 106 mm recoilless gun (or rifle) (60式自走無反動砲, roku-maru-shiki-jisou-muhandou-hou) is a light anti-tank vehicle developed by Japan in the late 1950s. It mounts two M40 106 mm recoilless rifles as its main armament.
The Corps celebrated the M40 rifle with Redfield scope, the same type of weapon used by legendary Marine sniper Sgt. Charles "Chuck" Mawhinney.
For many years, it was assumed that the rifle was developed from the German Knorr-Bremse MG35/36, which saw use with the Wehrmacht and reportedly the Waffen-SS. [1] However, research by Swedish military historian Stellan Bojerud showed that the Kg m/40 was developed from a patent from 1933, in most countries registered to Ivar Joseph Stack as well as Axel Torsten Lindfors, while in Canada and ...
An M40 recoilless rifle on its M79 "wheelbarrow" tripod Diagram of the operation of a recoilless rifle using a vented case. A recoilless rifle (), recoilless launcher (), or simply recoilless gun, sometimes abbreviated to "RR" or "RCL" (for ReCoilLess) [1] is a type of lightweight artillery system or man-portable launcher that is designed to eject some form of countermass such as propellant ...
Mawhinney's M40 rifle is on display in the National Museum of the Marine Corps [9] After leaving the Marine Corps in 1970, Mawhinney worked for the U.S. Forest Service until his retirement in 1997, married his wife Robin and had three sons with her. He and his wife moved to Baker City, Oregon in 1981. [10]