Patent ID: 8434254

Claim:
A safety magazine insertable into a standard M16 style magazine well, said safety magazine being adapted for enabling non-lethal training cartridges to be fired while preventing the loading and firing of standard 5.56×45 mm NATO cartridges, said safety magazine comprising: a front wall; a rear wall opposing said front wall, wherein the distance between said front and rear walls is less than the length of a standard 5.56×45 mm NATO cartridge; first and second sidewalls extending between said front and rear walls; an alignment rib projecting from said rear wall of said magazine, said alignment rib having a rear face that is parallel to said rear wall; a spacer projecting laterally from the sides of said alignment rib and being located between said rear wall of said safety magazine and said rear face of said alignment rib, said spacer having a proximal surface that is parallel to both said rear wall of said safety magazine and said rear face of said alignment rib, wherein said alignment rib is adapted for insertion into an alignment groove formed in a rear end wall of a standard M16 style magazine well, and wherein said spacer is adapted to engage said rear end wall of said standard M16 style magazine well for spacing said rear wall of said safety magazine away from said rear end wall of said standard M16 style magazine well.