Police are investigating whether a loaded pistol found on a street near Kurri Kurri was used in the attempted murder of a Maitland bikie boss.

Frank Van Der Kroft was shot several times at North Rothbury on July 22.

A resident found a stolen loaded Smith and Wesson pistol along with a magazine of live ammunition in Metcalf Lane Sawyers Gully on Monday afternoon.

Police are trying to determine how a stolen loaded gun came to be found on a street at Sawyers Gully.

Senior Constable Lauren Maher says the gun and ammunition have been to Newcastle Police Station to be tested for fingerprints and D.N.A.

Police are appealing for information as they investigate the discovery of a loaded gun in a street near Kurri Kurri.