Adelaide bikie Vince Focarelli will be eligible for release from jail in nine days after being sentenced for possessing a gun and drugs, found in the aftermath of the fatal shooting of his son.

Judge Dean Clayton on Wednesday jailed him for 19 months, with a non-parole period of 14 months.

With time already served on remand, Focarelli will be eligible for parole on March 29.

Focarelli, 38, had pleaded guilty in the SA District Court to possessing a revolver without a license and the liquid drug butanediol.

The revolver was found on the body of 22-year-old Giovanni Focarelli, who was shot dead during an ambush at Dry Creek on January 29, 2012.

The drug was found in a hire car used by the father and son.

Focarelli, who was shot four times in the attack, has been on remand in solitary confinement since his arrest in February 2012.