this while researching the M1917, it's used by said dogsled team but was the US issue rifle from 1917 - 1945. Their sidearm is the Glock 20 (10MM).
WikipediaThe Sirius Dog Sled Patrol (Danish: Slædepatruljen Sirius), known informally as Siriuspatruljen (the Sirius Patrol) and formerly known as North-East Greenland Sledge Patrol and Resolute Dog Sled Patrol, is an elite Danish naval unit. It conducts long-range reconnaissance patrolling, and enforces...
https://en.wikipedia.org/wiki/Sirius_Dog_Sled_Patrol