M40A3 "Sniper Rifle"

Each firearm begins life as a Remington 700, and is then extensively modified by hand by USMC 2112/gunsmiths at Marine Corps Base Quantico, using components from a number of suppliers. The original M40 was a military type-classified version of the Remington 700; It has had three variants - the M40, the M40A1 and the M40A3. The M40 was introduced in 1966. The M40 is a bolt-action sniper rifle used by the United States Marine Corps. New M40A3s are being built, and A1s are upgraded to A3s as they rotate into the armory for service and repair. The M40A1 and A3 switched to fiberglass, with new scopes added as well. The rifles have had many sub-variations in telescopic sights, and smaller user modifications. The A3 model costs $3,200. The changeover to the A1 model was completed in the 1970s, and the A3 in the 2000s.



M 40A3


Action - The M40 has always been based on the proven Remington 700 Short Action (as opposed to the Long Action in the M24), and this is no different in the M40A3. The action is glass bedded into the stock with aluminum pillars, while the barrel is allowed to "float" (it is attached only to the action), ensuring maximum accuracy. The dayscope is mounted with Badger Ordnance Maximum scope rings, with a standard ring in the rear and a wider MAX50-brand ring in front, to allow for the mounting of a Badger Ordnance ringcap (enabling the mounting of SIMRAD KN200 Night Vision Weapon Sight add-on night vision devices). In 2007, the Marine Corps began replacing the DD Ross trigger guard assemblies with the M5 detachable magazine trigger guard manufactured by Badger Ordnance. the trigger guard assembly is manufactured by the DD Ross Company, though several M40A3s use Badger Ordnance trigger guards. Sling - The Model 1907 sling that has been historically used on M40A3s has been replaced with the Quick Cuff Model Two sling manufactured by Tactical Intervention Specialists. Dayscope - A modified Schmidt & Bender 3-12 x 50 Police Marksman LP II [4] rifle scope with illuminated reticle will replace the MST-100 Unertl type fixed 10x day scope currently used for the M40A3. Development of the M40A3 began in 1996, and the final product was revealed in 2001. One bipod stud is located on the underside of the forearm. Stock - All service M40A3s are based upon the A4 Tactical Riflestock, a high-quality benchrest-style fiberglass riflestock made by McMillan Fiberglass Stocks and cast molded in an OD Green color.





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