Firearm

Abstract

A firearm comprising a barrel assembly mounted at one end to a butt group, the butt group including a firing mechanism and an ammunition entry point; a gun lock group slidably mounted between the barrel assembly and butt group that slides to load ammunition from the ammunition entry port into a barrel of the barrel assembly upon cocking of the firearm; and a rail for accessory attachment that is mounted on the barrel and in direct contact with a portion of the barrel. The second invention relates to a hammer pack in the butt group that automatically resets the firing mechanism upon recoiling of the gun lock group during firing, wherein the hammer pack includes a hammer biased to pivot under the force of a hammer spring, and an autofire lever biased through an autofire lever spring to engage the hammer.

1 . A firearm comprising a barrel assembly mounted at one end to a butt group, the butt group including a firing mechanism and an ammunition entry point;
 a gun lock group slidably mounted between the barrel assembly and butt group that slides to load ammunition from the ammunition entry port into a barrel of the barrel assembly upon cocking of the firearm; and   a rail for accessory attachment that is mounted on the barrel and in direct contact with a portion of the barrel.   
     
     
         2 . The firearm as claimed in  claim 1 , wherein the rail is a bracket having rail slots on one side of the bracket and part of an opposite side of the bracket has a locating fin. 
     
     
         3 . The firearm as claimed in  claim 1 , wherein the barrel has a fluted groove into which the rail locates. 
     
     
         4 . The firearm as claimed in  claim 1 , wherein the rail is mounted to the barrel at rail mounts, and one of the rail mounts is a sliding mount that slides relative to the barrel. 
     
     
         5 . The firearm as claimed in  claim 1 , wherein the rail is made of a material that acts as a heat sink against the material of the barrel. 
     
     
         6 . The firearm as claimed in  claim 1 , wherein the rail includes cooling holes. 
     
     
         7 . The firearm as claimed in  claim 1 , wherein the rail is an upper rail that is mounted on an upper side of the barrel. 
     
     
         8 . The firearm as claimed in  claim 1 , wherein the rail is a lower rail that is mounted on an underside of the barrel. 
     
     
         9 . The firearm as claimed in  claim 1 , wherein the rail is in contact with the barrel along a half length of the rail to a full length of the rail. 
     
     
         10 . The firearm as claimed in  claim 1 , wherein a lower rail is mounted in direct contact with an underside of the barrel and in front of a hand guard, wherein the lower rail is adapted to support a grenade launcher. 
     
     
         11 . The firearm as claimed in  claim 1 , further including a side rail attachment that is made of a non-conductive material. 
     
     
         12 . The firearm as claimed in  claim 1 , wherein the firearm is a bullpup-style rifle. 
     
     
         13 . A firearm comprising a barrel assembly mounted at one end to a butt group, the butt group including a firing mechanism and an ammunition entry point; and a gun lock group slidably mounted between the barrel and butt group that upon cocking of the fire arm slides to load ammunition from the ammunition entry point into the barrel, and
 a hammer pack in the butt group that automatically resets the firing mechanism upon recoiling of the gun lock group during firing, wherein the hammer pack includes a hammer biased to pivot under the force of a hammer spring, and an autofire lever biased through an autofire lever spring to engage the hammer.   
     
     
         14 . The firearm as claimed in  claim 13 , wherein the stiffness of the autofire lever spring is less than the stiffness of the hammer spring.