Hayden Lansdown will spent three years and four months behind bars for supplying a shortened firearm and supplying a pistol to someone not authorised to possess it in Tamworth last year.

Lansdown has been behind bars since he was arrested in June 2019 in Cairns in Queensland.

He was captured by police at a house and extradited back to Tamworth. He had been on the run since May when he fled Tamworth after the 'ice castle' police sting unfolded.

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Lansdown was given a 25 per cent discount for his early guilty plea, and will have to serve a minimum of two years before he's eligible for release.

Judge Deborah Payne imposed the aggregate jail term and found special circumstances including the current pandemic, his health issues and the need for drug-related treatment.

Judge Payne handed down the sentence in Parramatta District Court and took into account charges of supplying ammunition to someone not authorised to have it; as well as a second pistol supply offence.

The offences took place in April last year in Tamworth, and Lansdown will be eligible for parole in October 2021.

Ethan Johnson appeared in Tamworth District Court for sentencing last week after he pleaded guilty to supplying more than an indictable quantity of methylamphetamine.

The court had previously heard Johnson was behind bars for another matter, and the local court had made an order for him to complete the Balund-a residential rehabilitation program, depending on the outcome of the district court matter.

He was given a 25 per cent discount for his early guilty plea and had a charge of dealing with the proceeds of crime taken into account in sentencing by Acting Judge Jonathan Williams.

He was sentenced to an intensive corrections order for one year and nine months.

As part of the order, Johnson has to complete the Balund-a program and perform 200 hours of community service.

Neil Edward Cook won't face another day in jail. He escaped with two convictions for two counts of possessing unauthorised pistols.

He pleaded guilty to both offences in Tamworth Local Court, and magistrate Julie Soars imposed 12-month supervised Community Corrections Orders.

Cook was originally charged with eight gun allegations including two counts of supplying pistols to persons unauthorised to possess it.

The then 61-year-old was arrested in May last year in a series of raids and spent close to three months in custody before he managed to overcome the bail laws in August last year, and was granted conditional release. He's been on bail since.

The court heard previously the police operation, code-named Strike Force Radius, has seen 27 offenders charged with firearm or gun offences.