Patrick Richard Kerr appeared via video link in Tamworth Local Court on three sets of matters where he reversed his pleas and made a number of admissions to break-in and gun offences.

Kerr, 46, has been in custody since April 23 - a day after police raided the home on Calala Lane.

He admitted to possessing a shortened firearm, and not keeping a prohibited firearm safely, and was jailed by magistrate Mal MacPherson for 12 months with a non-parole period of four months.

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Kerr also pleaded guilty to break, enter and steal and was placed on Community Correction Order (CCO), or good behaviour bond, for nine months.

As part of the order, Kerr will have to be supervised by parole authorities and must abstain from using drugs for the duration of the order.

He was convicted without further penalty for offences of possessing a prohibited weapon without a permit and possessing ammunition.

An offence of using or supplying a stolen firearm or part was withdrawn and dismissed in court.

Mr MacPherson backdated the prison sentence to Kerr's April arrest meaning he'll serve another another month in custody before he's eligible for release.

The Oxley Target Action Group (TAG) raided the home on Calala Lane about 1pm on April 22.

During the search, police uncovered a shotgun, ammunition and other goods.

A quantity of of what police had claimed was methylamphetamine was seized during the search warrant, but Kerr was never charged with the drug haul.