Stick to one’s guns

What is Stick to one’s guns?

Stick to one’s guns definition and meaning on Dictionary terms:
a weapon consisting of a metal tube, with mechanical attachments, from which projectiles are shot by the force of an explosive; a piece of ordnance.
any portable firearm, as a rifle, shotgun, or revolver.

a long-barreled cannon having a relatively flat trajectory.
any device for shooting something under pressure: a paint gun; a staple gun.
Slang. a person whose profession is killing; professional killer: a gangland gun.
British. a member of a shooting party.
electron gun.
Slang. (esp. in baseball) a player