The Northwest Regional Guns and Gangs Unit has charged a 45-year-old man in Kasabonika Lake First Nation.
Police executed a search warrant last Friday and seized 10-firearms and 4-prohibited devices.
Officers found semi-automatic rifles, shotguns and 4 high-capacity rifle magazines.
Police say John Winter faces 3-charges including weapons trafficking and careless storage.
Winter will appear in court on June 16th.