Tag Archives: Mk.13 rifle

NSWC MK13 Mod 3 sniper rifle in the wild

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CMP has a rare and very legit NSWC MK13 Mod 3 sniper rifle up for grabs at auction. The heavily modded AICS platform built on a Remington 700 Long Action in .300 Win Mag has a Harris Ultralight bipod and McCann scope mount but sadly, no glass. Of course, it wears a five-color desert camo all over, and the images are sure to be of interest for cloners.

It was a workhorse among Navy SEAL snipers in Afghanistan and Iraq back in the GWOT. Coupled with Mark 248 and Mark 248 Mod 1 ammo, it was credited with some very long shots.

The auction ends 5/3/2025, and proceeds go towards the CMP’s mission of promoting marksmanship, primarily to America’s youth.

Sig Churning out .300 Win Mag…for the Army

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U.S. Army Spc. Kristofer Encinas, a sniper with the 1st Squadron, 91st Cavalry Regiment, engages targets with an M2010 Enhanced Sniper Rifle during an advanced rifle marksmanship event as part of the 2019 European Best Sniper Team Competition at the Grafenwoehr Training Area, Germany, July 22, 2019. (U.S. Army photo by Sgt. Jeremiah Woods)

While standard small arms rounds in the U.S. military are 5.56 and 7.62 NATO, the Army and SOCOM units have fielded precision rifles chambered in .300 Win Mag for over a decade, noting that it allowed for shots at ranges past 1,300 meters. Current platforms chambered for the round include the M2010 ESR, the AICS/Remington Mk.13, and the new Mk 21 Precision Sniper Rifle (MSR).

And with that, Sig just won a $10 million contract to supply the rounds to the Army.

More in my column at Guns.com.