Every Marine is a rifleman, but a Marine sniper is not your average rifleman. Their “one-shot one-kill” mindset is heavily influenced by the precision weapons system they use.

The goal of equipping Marine snipers with a superior weapon system brought teams from Marine Corps Systems Command’s Infantry Weapons Systems and Marine Corps Scout Sniper Instructor School to Fort A.P. Hill, Va., for a market research caliber study on a hot, muggy day in July.

“As the Marine Corps’ only systems command, it’s essential that we have Marine Corps snipers shooting and Marine Corps acquisition professionals collecting the data,” said Maj. Paul Gillikin, Special Purpose Weapons Team Leader for IWS. “This is a Marine Corps-driven event with Marines behind the guns, but we are still following along with SOCOM and other Joint Service programs. This data will inform our senior acquisition and requirements officials in buying the next rifle system.”

The goal of the caliber study was clear: to inform Marine Corps acquisition leaders about future Marine sniper weapon system requirements, while leveraging what is currently available in the marketplace. The sniper weapon system has three primary components—the projectile, the rifle and the optic.

“You need to understand the application of the weapon system then procure the system as a system,” said Gillikin. “If we want a weapon system capable of engaging targets at, say 1,500 meters, we need to find the right round—the right caliber—to shoot at that range. Once you find the round that best supports the criteria—the 1,500-meter target engagement—you build the rest of the system around it. Even though we are assessing three calibers in this event, we are actively researching other nomenclatures to inform future system procurement.”

Gillikin and his team collected ballistic data on three different caliber projectiles—the .308 Winchester Magnum, .300 Winchester Magnum, and .338 Lapua Magnum—fired by Marine Corps snipers using different rifles at distances ranging from 900 to 1,500 meters to target. For each caliber round, the MCSC team determined the probability of snipers hitting the target at each distance. The six snipers participating in the caliber study routinely hit targets at distances greater than the current standing requirement for Marine Corps sniper rifles.

Read more at Marines.mil

Image courtesy of Ashley Calingo

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