A 19-year-old from Wigton has been sentenced to 10 years in prison after being charged with four offences.
Conner Newall appeared at Carlisle Crown Court today on two counts of armed robbery, possession of a firearm with intent and dangerous driving.
The offences occurred on the 8 November 2013 across west Cumbria.
At about 1pm police received a report of a robbery of a car where a 51-year-old woman was threatened by Newall with a gun.
She was unharmed and gave him her phone and car keys.
Later, at about 2:20pm, Newall stole over £1,200 from Kirkbride Post Office.
Armed police were deployed to area and a search began for the vehicle, a dark blue Corsa.
Police located the vehicle heading towards Abbeytown, where it was pursued at high speeds along the B5300 through Allonby, towards Maryport.
It was forced to stop near Prospect on the A596.