Barrel with recess on barrel face of breech end

Abstract

Some embodiments may include a barrel for a firearm, the barrel having a bore extending from a breech end of the barrel to a muzzle end of the barrel, the back of the bore comprising a chamber of the barrel, the barrel further comprising: barrel face on the breech end of the barrel; and a recess on the barrel face, the recess having a bottom that extends from the chamber of the barrel to an exterior side surface of the barrel. Other embodiments may be disclosed and/or claimed.

1 . A barrel for a firearm, the barrel having a bore extending from a breech end of the barrel to a muzzle end of the barrel, the back of the bore comprising a chamber of the barrel, the barrel further comprising:
 a barrel face on the breech end of the barrel; and   a recess on the barrel face, the recess having a bottom that extends from the chamber of the barrel to an exterior side surface of the barrel.   
     
     
         2 . The barrel of  claim 1 , wherein the bottom of the recess is flat. 
     
     
         3 . The barrel of  claim 2 , wherein the recess includes sidewalls, and wherein at least one of the sidewalls includes a flat section and a curved section. 
     
     
         4 . The barrel of  claim 1 , wherein a width of the bottom of the recess tapers from the chamber to the exterior side surface of the barrel. 
     
     
         5 . The barrel of  claim 4 , wherein the recess extends from a zenith of the chamber to a midline of the chamber. 
     
     
         6 . The barrel of  claim 1 , wherein one edge of the recess has a profile corresponding to a profile of bottom of an upper barrel lug of the barrel. 
     
     
         7 . The barrel of  claim 1 , wherein part of the barrel face is located between the recess and an upper barrel lug of the barrel. 
     
     
         8 . The barrel of  claim 1 , wherein the recess is arranged to form an opening when the barrel is locked into an ejection port of a firearm, wherein in the case a round is located in the chamber the round is visible through the formed opening. 
     
     
         9 . The barrel of  claim 1 , wherein the recess is arranged to optimize a flow of gas out a side of a firearm to prevent debris from being propelled over a top of the slide. 
     
     
         10 . The barrel of  claim 1 , wherein the bottom of the recess further extends from the chamber of the barrel to an opposite exterior side surface of the barrel. 
     
     
         11 . An apparatus, comprising a firearm, the firearm comprising:
 an ejection port; and   a barrel having a bore extending from a breech end of the barrel to a muzzle end of the barrel, wherein the barrel includes:
 a barrel face on the breech end of the barrel; and 
 a recess on the barrel face, the recess having a bottom that extends from the chamber of the barrel to an exterior side surface of the barrel; 
   wherein recess is arranged to form an opening when the barrel is locked into the ejection port, wherein in the case a round is located in the chamber the round is visible through the formed opening.   
     
     
         12 . The apparatus of  claim 11 , wherein the firearm is a glock compatible firearm, and wherein the ejection port is defined by a slide of the block compatible firearm. 
     
     
         13 . The apparatus of  claim 11 , wherein the ejection port is defined by a slide of the firearm.