MISSISSAUGA, Ont. - Peel region police have arrested three men after undercover officers posed as the buyers of a machine-gun.

Police say the purchase was completed on Tuesday and three suspects were arrested without incident in Mississauga, west of Toronto.

Officers seized an MAK-90 machine-gun, a magazine and 100 rounds of ammunition.

Jason Baldwin, 28, of no fixed address, Eden Hamilton, 26, of Mississauga, and Karl Largie, 26, of no fixed address, face a number of firearms charges, including trafficking a firearm.