It's been less than a year after the Marine Corps's first new sniper rifle since the Vietnam War hit full operational capacity, and the service is already on the hunt for a brand new sniper system ...

The Marine Corps has officially hit full operational capability on its new sniper rifle a year ahead of schedule ... and was first fielded during the Vietnam War. The A6 model began fielding ...

The US Marine Corps’ deadliest sniper, Charles “Chuck” Mawhinney ... poses with a replica of the M40 sniper rifle he used during the Vietnam War. Pfc. Garrett White From 1968 to 1969 ...