A bikie gang associate has been charged with multiple firearms offences following a police raid on a home in Perth's north. Gang Crime Squad officers searched the home in Ellenbrook on Monday and arrested a 24-year-old man who is an associate of the Comancheros outlaw motorcycle gang. Police said they seized a sawn-off shotgun, an air rifle, a crossbow, knuckledusters, an imitation AK47 rifle and unlicensed ammunition. The man has been charged with aggravated possession of a firearm, possessing an unlicensed firearm, possessing a controlled weapon, two counts of possessing a prohibited weapon, possessing stolen or unlawfully obtained property and three counts of possessing unlicensed ammunition. He will appear in the Midland Magistrates Court on March 27.