Jefferson Dos Santos (34) of Inny Court, Ballymahon, Co. Longford
They were sentenced last December at Mullingar Circuit Criminal Court over what Judge Keenan Johnson described was an incident that could have ended in fatalities.
The gang, it was revealed, were wearing plastic gloves when stopped and arrested by gardai while travelling through Clara village armed with a sub machine gun and a shotgun along with ammunition.
The court heard their objective was to frighten a particular individual but that the planned use of firearms had the capacity to go fatally wrong .
It had previously been revealed the gang had got lost twice on the way to their intended target and were using ill-equipped weapons as part of the alleged enterprise.