Mk22 Mod 0 ASR USMC photo
The MK22 is a modular system that will be fielded with three separate calibers, .338 Norma Magnum, .300 Norma Magnum, and 7.62 NATO, with the user able to swap calibers through barrel changes based on mission operating environments. Above is the Mk22 Mod 0 ASR including a Precision Day Optic. It is fed from a 10-round detachable magazine. (Photo: Tonya Smith/Marine Corps Systems Command).