M40: Difference between revisions

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[[Category:Weapons]]
[[Category:Weapons of Vietnam]]
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! rowspan=2 | [[Ammo]]  
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|[[File:Flag_us_new.png|50px]]<br><strong>[[US]]</strong>|| [[File:M40.png|512px]]<br><b> [[M40]]</b> || [[File:Weapon m40.svg|512px]] || [[File:Class_sniper.png|50px]]  <b>[[Sniper]]</b><br> || 5 / 15
|[[File:Flag_us_new.png|50px]]<br><strong>[[US]]</strong>|| [[File:M40.png|512px]]<br><b> [[M40]]</b> || [[File:Weapon m40.svg|512px]] || [[File:Class_sniper.png|50px]]  <b>[[Sniper]]</b><br> || 5 / 20
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! rowspan=2 | [[Bayonet]]   
! rowspan=2 | [[Bayonet]]   
! rowspan=2 | [[Rifle Grenades]]   
! rowspan=2 | [[Rifle Grenades]]   
! colspan=2 | Reload Speed
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|-
|65||×2.4 = 156||×2.15 = 139.75||×1.95 = 126.75||×1.15 = 74.75||×1.15 = 74.75||NO||NO  
! Partial!! Empty
|-
|65||×2.4 = 156||×2.15 = 139.75||×1.95 = 126.75||×1.15 = 74.75||×1.15 = 74.75||NO||NO||3.2 Seconds||4.66 Seconds
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! rolspan=2 | [[Weight]]
! rolspan=2 | [[Weight]]
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|[[M40]]||[[Bolt Action]]<br>[[Sniper Rifle]]||Semi||45 RPM||7.7° & 0.05° [[ADS]]||0.985||777 m/s||10 g (154.32 gr)||6.57 kg (14.48 lbs)   
|[[M40]]||[[Bolt Action]]<br>[[Sniper Rifle]]||Single Shot||45 RPM||7.7° & 0.05° [[ADS]]||0.985||777 m/s||10 g (154.32 gr)||6.57 kg (14.48 lbs)   
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=HISTORY=
<hr>
During the Vietnam War, the Marine Corps decided they needed a standard sniper rifle. After testing several possibilities, they ordered seven hundred Remington Model 40x rifles (target/varmint version of the Remington Model 700 bolt-action rifle), and gave them the M40 designation. Most had a Redfield 3–9x Accurange variable scope mounted. With time, certain weaknesses, primarily warping of the all-wood stock, became apparent.


Sometime in the early 1970s, the USMC armorers at MCB Quantico began rebuilding the original M40s into M40A1s. The process involved, among other improvements, replacing the original wood stocks with McMillan A1 fiberglass stocks, as well as replacing the original 3–9× Redfield variable-power scopes with 10× Unertl fixed-power scopes. The M40 was originally designed by Jack Cuddy and Neill Goddard. The stock featured Wichita sling swivels and a Pachmayr buttpad.
'''M40''' is a U.S. Marine Corps bolt-action sniper rifle based on the Remington Model 700/40X family, chambered for the 7.62×51mm NATO cartridge. It is a manually operated rifle fed from an internal magazine and configured for precision fire with a telescopic sight. It is best known as the USMC’s standard sniper rifle during the Vietnam War and as the starting point for the later M40A1 series of rebuilt rifles.
<br>[https://en.wikipedia.org/wiki/M40_rifle SOURCE]
<hr>


==HISTORY==
During the Vietnam War, the U.S. Marine Corps sought a standardized sniper rifle and selected a military adaptation of the Remington 40X/Model 700 action, adopting it as the M40 in the mid-1960s. Early rifles were typically fitted with variable-power Redfield scopes and issued as a complete sniper system intended to improve consistency and logistics compared to ad hoc rifle-and-scope combinations. Operational use soon revealed weaknesses in the original all-wood stocks—especially warping under heat and humidity—which could affect zero and reliability in the field.


<gallery mode="packed" heights="400px">
In the early 1970s, Marine Corps armorers at Quantico began rebuilding surviving M40 rifles into the M40A1 configuration. The rebuild program replaced the wood stock with a fiberglass stock and updated optics and fittings, improving durability and stability for precision shooting. These changes established the pattern for the long-running Marine sniper rifle lineage that continued through later M40 variants.
File:
</gallery>


===Sources===
* [https://www.marines.mil/Portals/1/Publications/FMFM%201-3%20Marine%20Rifle%20Marksmanship.pdf Marine Rifle Marksmanship (historical USMC marksmanship/sniping context) | U.S. Marine Corps]
* [https://www.nramuseum.org/guns/the-galleries/wwii%2C-korea%2C-vietnam-and-beyond-1940-to-present/case-42-guns-of-vietnam-and-desert-storm/usmc-m40-sniper-rifle.aspx USMC M40 Sniper Rifle | NRA National Firearms Museum]
* [https://www.americanrifleman.org/content/m40-marine-corps-sniper-rifle/ M40 Marine Corps Sniper Rifle | American Rifleman]
* [https://www.remington.com/company/history.html Remington Company History (Model 700 lineage context) | Remington]


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Latest revision as of 22:10, 24 February 2026

Factions Weapon Icon Classes Ammo

US
M40		 Sniper
 5 / 20
Damage Base Headshot × Chest × Stomach × Leg × Arm × Bayonet Rifle Grenades Reload Speed
Partial Empty
65 ×2.4 = 156 ×2.15 = 139.75 ×1.95 = 126.75 ×1.15 = 74.75 ×1.15 = 74.75 NO NO 3.2 Seconds 4.66 Seconds
Designation Weapon Type Fire Modes Fire Rate Bullet Spread ° Range Modifier Muzzle Velocity Projectile weight Weight
M40 Bolt Action
Sniper Rifle		 Single Shot 45 RPM 7.7° & 0.05° ADS 0.985 777 m/s 10 g (154.32 gr) 6.57 kg (14.48 lbs)
Full name Caliber Place of Origin Date Manufacturer Barrel Length Total Length Weapon Script Name
M40 rifle 7.62x51mm USA 1966 Remington Arms 25 in (635 mm) 43.97 in (1,117 mm) weapon_m40


M40 is a U.S. Marine Corps bolt-action sniper rifle based on the Remington Model 700/40X family, chambered for the 7.62×51mm NATO cartridge. It is a manually operated rifle fed from an internal magazine and configured for precision fire with a telescopic sight. It is best known as the USMC’s standard sniper rifle during the Vietnam War and as the starting point for the later M40A1 series of rebuilt rifles.

HISTORY

During the Vietnam War, the U.S. Marine Corps sought a standardized sniper rifle and selected a military adaptation of the Remington 40X/Model 700 action, adopting it as the M40 in the mid-1960s. Early rifles were typically fitted with variable-power Redfield scopes and issued as a complete sniper system intended to improve consistency and logistics compared to ad hoc rifle-and-scope combinations. Operational use soon revealed weaknesses in the original all-wood stocks—especially warping under heat and humidity—which could affect zero and reliability in the field.

In the early 1970s, Marine Corps armorers at Quantico began rebuilding surviving M40 rifles into the M40A1 configuration. The rebuild program replaced the wood stock with a fiberglass stock and updated optics and fittings, improving durability and stability for precision shooting. These changes established the pattern for the long-running Marine sniper rifle lineage that continued through later M40 variants.

Sources

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