Firearm Magazine

Abstract

A firearm magazine including a magazine body and a base plate. The magazine body has a lip at an end of the body. The base plate includes at least one moveable latch that is configured to engage with the lip to couple the base plate to the magazine body.

What is claimed is: 
     
         1 . A firearm magazine comprising:
 a magazine body comprising a lip at an end of the magazine body; and   a base plate comprising at least one moveable latch configured to engage with the lip to couple the base plate to the magazine body.   
     
     
         2 . The firearm magazine of  claim 1 , wherein the base plate comprises two movable latches, each configured to engage with a respective lip on the magazine body. 
     
     
         3 . The firearm magazine of  claim 1 , wherein the base plate further comprises a spring arranged to bias a coupling portion of the latch into engagement with the lip. 
     
     
         4 . The firearm magazine of  claim 3 , wherein the spring is disposed between a portion of the latch and an inner surface of the base plate. 
     
     
         5 . The firearm magazine of  claim 1 , wherein the latch is configured to pivot about a pin to engage and disengage with the lip. 
     
     
         6 . The firearm magazine of  claim 1 , wherein the lip is a flange extending from a bottom end of the magazine body. 
     
     
         7 . The firearm magazine of  claim 1 , wherein a portion of the magazine body is disposed within a cavity defined by a wall of the base plate with the base plate coupled to the magazine body. 
     
     
         8 . The firearm magazine of  claim 1 , wherein the base plate comprises a wall that define a cavity, and wherein the end of the magazine body is disposed within the cavity with the base plate coupled to the magazine body. 
     
     
         9 . The firearm magazine of  claim 8 , wherein the latch is coupled to the wall. 
     
     
         10 . The firearm magazine of  claim 1 , wherein the base plate is configured to extend a cartridge capacity of the firearm magazine. 
     
     
         11 . A base plate for a firearm magazine comprising at least one moveable latch configured to engage with a lip on an end of a magazine body to couple the base plate to the magazine body. 
     
     
         12 . The base plate of  claim 11 , wherein the base plate further comprises a spring arranged to bias a coupling portion of the latch into engagement with the lip. 
     
     
         13 . The base plate of  claim 12 , wherein the spring is disposed between a portion of the latch and an inner surface of the base plate. 
     
     
         14 . The base plate of  claim 11 , wherein the latch is configured to pivot about an axis to engage and disengage with the lip. 
     
     
         15 . The base plate of  claim 11 , wherein the lip is a flange extending from a bottom end of the magazine body. 
     
     
         16 . The base plate of  claim 11 , wherein a portion of the magazine body is disposed within a cavity defined by a wall of the base plate with the base plate coupled to the magazine body. 
     
     
         17 . The base plate of  claim 11 , wherein the base plate comprises a wall that defines a cavity, and wherein the end of the magazine body is disposed within the cavity with the base plate coupled to the magazine body. 
     
     
         18 . The base plate of  claim 17 , wherein the latch is coupled to the wall. 
     
     
         19 . The base plate of  claim 11 , wherein the base plate is configured to extend a cartridge capacity of the firearm magazine. 
     
     
         20 . A firearm magazine comprising:
 a magazine body comprising a lip at an end of the magazine body; and   a base plate comprising means for coupling the base plate to the magazine body by releasably engaging with the lip.