XM16E1 mag floorplate Here you can see the markings on the floorplate on a Colt mag, early mags were marked .223, to approximately 69-70, 5.56 after. | |
Photo 12 of 68, XM16E1 Bttm mag Mkg.jpg, 83KB, 928x559, 2825 Hits Other Sizes: Original | |
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