The "Rifle, 7.62mm Sniper, M40," adopted April 7 ... by rebarreling and restocking the original actions to yield superior rifles. Modifications included welding the internal magazine box ...

And the M40’s nearly 1,000-yard range is behind other sniper rifles in the U.S. military’s arsenal. The Army’s M2010 Enhanced Sniper Rifle can engage targets at 1,300 yards. One sniper ...

Marine snipers carried the M40A1 sniper rifles, many of which began their careers shortly after the end of the Vietnam War. Today, the Marines’ primary sniper rifle, a newer variant of the M40 ...

The M40A5 is the latest in a long line of M40 sniper rifles used by the U.S. Marine Corps. The M40 series is a highly modified Remington 700 hunting rifle, chambered in .308 Winchester/7.62x51mm NATO.