| CPC F41A 9/65 (2013.01) | 20 Claims | 

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               12. A firearm magazine, said firearm magazine comprising: 
            a body fabricated from a sheet metal, said body being substantially tubular, said sheet metal having a first end and an opposing second end, said first end proximate to said second end and substantially coplanar, said first end and said second end having a gap therebetween, said first end having a non-flat edge, said second end having a non-flat edge; 
                at least one retainer, each said at least one retainer having a first part defined by said first end along said first end edge and a second part defined by said second end along said second end edge, said first part being selected from the group consisting of a slot and a tab, said second part being a slot; and 
                a seam fabricated from a filler material, said filler material filling said gap including said retainer. 
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