Colt mag question [Archive] - Glock Talk


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03-24-2011, 18:57
I ran across some old mags for my AR. One is a colt and can only fit 5 rounds---however it is the same length as a standard 20 round mag. There is a 4 slot screw affixed to the bottom that does not allow it to move any further down. Anyone else ever seen one of these?