Three men from Springwater, Ont., and two women from Barrie, Ont., all in their 20s, are facing numerous drug trafficking and fire offences.
On Thursday, investigators executed a search warrant at a home in Springwater and seized two illegal firearms, including a loaded handgun, 500 grams of cocaine and 7,000 Percocet pills.
The value of the illegal drugs totals to about $75,000, according to police.
Officers also seized a large amount of cash and illegal cannabis products.
Anyone with information is asked to contact the OPP at 1-888-310-1122 or Crime Stoppers anonymously at 1-800-222-8477.