A 31-year-old man from Smooth Rock Falls is facing a long list of charges following a weekend incident.
OPP arrested the suspect Saturday on charges of assault causing bodily harm, uttering threats, and possession of a dangerous weapon.
Police then raided his residence, and found more than a dozen rifles and handguns, along with ammunition and decommissioned hand grenades.
He was then charged with more crimes, including unauthorized possession of firearms.
The suspect remains in custody until a bail hearing.