Tag: ammunition caliber

M855A1 EPR Officially Adopted By US Marine Corps

Posted December 13, 2017 in Ammunition, AR-15, Daily News, Defense, Guns & Gear, News, Other Gear & Gadgets, Rifles by Nathaniel F with 174 Comments

The United States Marine Corps has finally officially announced its adoption of the 5.56mm M855A1 EPR round, developed in the late 2000s by the US Army, marking an important step towards ammunition commonality between the two services. Until now, the USMC has officially [Read More…]

Army and Marines Butt Heads On M855A1/Mk. 318

Posted March 30, 2015 in Ammunition, Other Gear & Gadgets by Nathaniel F with 236 Comments

The Army and Marine Corps’ ongoing schism over standard issue 5.56mm ammunition came to a head during a recent House Armed Services Committee meeting. The USMC, which still uses the 1970s-era M855 round, supplemented by their Mk. 318 SOST ammunition, were a [Read More…]