One man is in the custody of the Constant Spring police after a high powered weapon was found on Collins Close, Kingston 18, yesterday.
Reports are that the rifle and magazine containing several rounds was found by a police team on patrol.
The identity of the man in custody is being withheld as investigations are ongoing.
The seizure marks the second in four days for the St Andrew North police division.
On Sunday a 9mm pistol with four rounds of ammunition was seized during an Operation in Brandon Hill, St Andrew.
The gun was found in a barrel. No arrest was made.
Investigations are ongoing.
Up to March 17, shootings in the police division were down 62 per cent.
There have been 10 shootings when compared to 26 for the corresponding period in 2020.