A man will face court charged with firearm and property-related offences after police were called to an alleged trespasser at a rural property.

A farm worker found an unknown person on the property at Paytens Bridge, south-east of Forbes, when he went to a shed to investigate a small fire about midday on Monday.

When he noticed a rifle nearby, he contacted police who attended and made an arrest, a NSW Police statement issued to media on Monday said.

During a search of the shed and surrounding area, police allegedly located two motor vehicles that were not associated with the property.

A Toyota Hilux utility was identified as being allegedly stolen from a break, enter and steal offence at Garema about Thursday, 29 May, along with a quantity of power tools.

Police also located a quantity of .22 calibre ammunition inside the utility.

During a search of a second vehicle, a Holden Commodore utility, police found a car fridge which was allegedly stolen from a neighbouring property.

Police also located four firearms in a nearby silo, a heavy-duty trailer and an Ag motorcycle, which police believe to be stolen or otherwise unlawfully obtained.

The man was taken to Parkes Police Station where he was charged with 13 offences including enter building/land with intent to commit an indictable offence, possess unauthorised firearm (five counts), possess more than three unregistered firearms without a licence, goods in custody (three counts) and possess ammunition without a permit, possess prohibited drug (two counts).

He was refused bail to appear at Orange Local Court on Tuesday.

POLICE APPEAL FOR INFORMATION AFTER THEFT FROM BUSINESS

Police are appealing to the public for more information on a break and enter that occurred last year at a business in Parkes.

Officers attached to Central West Police District received the report of the break-in at the business in Hartigan Avenue between Friday, 27 December last year and Wednesday, 1 January.

In a new appeal issued to media this week, police said five domestic air conditioners to the value of more than $12,000 were reported stolen at the time.

As inquiries continue, anyone with information or dash cam vision about this incident is urged to contact Parkes Police Station on 6862 9999 or Crime Stoppers on 1800 333 000.