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M40 rifle

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Marines Train With Remington M40 Sniper Rifles

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U.S. Marines Scout Sniper Range. M40A5, M110 SASS, M107 SASR.

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Ultimate Weapons- M40 | Sniper Rifles

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M40A1 Sniper Rifle

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Shooting the M40A1 Sniper Rifle at 500 yards

The M40 rifle is a bolt-action sniper rifle used by the United States Marine Corps. It has had four variants—the M40, M40A1, M40A3, and M40A5. The M40 was introduced in 1966. The changeover to the A1 model was completed in the 1970s, the A3 in the 2000s, and the A5 in 2009.