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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]
Mk 11 Mod 0 – 7.62×51mm sniper rifle based on the M16 direct impingement gas system. M110 Semi-Automatic Sniper System – Improved version of the Mk 11, replacing the M39 and Mk 11. 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 ...
The M24 and M40 military sniper rifles, used by the US Army and Marine Corps, respectively, are both based on the Model 700 design. The Remington 700 series rifles often come with a 3-, 4- or 5-round internal magazine depending on the caliber chambered, some of which have a hinged floor-plate for quick unloading, and some of which are "blind ...
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 ...
The primary difference between the U.S. Army and the U.S. Marine Corps rifles is that while the U.S. Marine Corps M40 variants use the short-action version of the Remington 700/40x (which is designed for shorter cartridges such as the .308 Winchester/7.62×51 mm NATO), the U.S. Army M24 uses the Remington 700 Long Action. [25]