Patent ID: 6722072
Filing Date: 2004-04-20
Classification: F41A

Abstract:
A trigger group module for a firearm, the firearm including a portion defining a trigger group receiving area for containing one or more trigger group components, the trigger group module including:(a) a module housing adapted to be inserted to an operating position in the trigger group receiving area; (b) a first pin receiver positioned in the module housing so as to align with first pin receptacle openings of the firearm when the module housing is in the operating position, the first pin receptacle openings defining pin support surfaces formed in the portion of the firearm defining the trigger group receiving area; (c) a first module pin received in the first pin receiver; (d) a pivoting trigger group component mounted on the module housing for rotation about the first module pin; (e) a right membrane positioned on an outer surface of the housing so as to fully or partially cover a first side of the first pin receiver; and (f) a left membrane positioned on an outer surface of the housing so as to fully or partially cover a second side of the first pin receiver.