Method and apparatus for providing a module for firearm modification via an existing firing control unit

Abstract

A firearm assembly, capable of firing bullets, includes a firearm assembly kit and a firing control unit (“FCU”). The FCU, in one embodiment, is disassembled from a handgun which is operable by one hand and capable of initiating firing a bullet when a trigger of the FCU is pulled. The firearm assembly kit is configured to house the FCU to form an operable firearm resembling a semiautomatic rifle operable by two hands. The kit includes a grip module and an extended firing slide (“EFS”). The grip module includes a handgrip, an FCU housing, a trigger guard, and a magazine port, wherein the trigger guard is situated between the handgrip and the magazine port which is located in front of the handgrip away from the user. The EFS facilitates firing of bullets from a magazine inserted in the magazine port via an extended firing pin.

I claim: 
     
         1 . A grip module for a firearm having a slide, a barrel, and a firing control unit having a trigger and a striker mechanism and removably operable with a pistol, the grip module comprising:
 a grip module body configured to removably receive the firing control unit, slide and barrel, and having a forward end and a rear end;   the grip module body including a trigger guard configured to encompass a portion of the trigger mechanism;   the grip module body having a handgrip rearward of the trigger guard;   the handgrip defining a magazine well; and   the grip module body having a rear stabilizing attachment facility.   
     
     
         2 . The grip module of  claim 1  wherein the rear stabilizing attachment facility comprises a stock. 
     
     
         3 . The grip module of  claim 1  wherein the rear stabilizing attachment facility comprises an arm brace. 
     
     
         4 . The grip module of  claim 1  wherein the rear stabilizing attachment facility comprises a mount configured to receive a stock. 
     
     
         5 . The grip module of  claim 1  wherein the rear stabilizing attachment facility comprises a connector operable for coupling to a rear attachment for enhancing stability. 
     
     
         6 . The grip module of  claim 1  wherein the grip module body has a shape resembling a portion of a carbine. 
     
     
         7 . The grip module of  claim 1  wherein the grip module body has a shape resembling a portion of a bullpup rifle. 
     
     
         8 . The grip module of  claim 1  wherein the handgrip is immediately rearward of the trigger guard such that a user's hand gripping the grip is positioned for a finger of the user's hand to operate the trigger. 
     
     
         9 . The grip module of  claim 1  including an upper module portion connected to the grip module body and having a facility configured to support a sight. 
     
     
         10 . The grip module of  claim 9  wherein the upper module portion defines a passage configured to receive the slide. 
     
     
         11 . The grip module of  claim 9  wherein the upper module portion defines a passage configured to receive the slide. 
     
     
         12 . The grip module of  claim 1  defining a second magazine receptacle. 
     
     
         13 . The grip module of  claim 12  wherein the second magazine receptacle is forward of the trigger guard. 
     
     
         14 . The grip module of  claim 1  including the slide, barrel, and firing control unit.