By ZS, Loyal Customer On 05/02/2009 
I own several Glock brand 33rd magizines. I decided to try the Promag brand since the Glock brand is getting crazy expensive. I bought four Promag 32rd magazines. I loaded them up with WWB and didn''t have any problems out them in my G19 or my Keltec Sub2000. Overall I''d say these are a great for the price. Materials seem to be the same as Glock brand.
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