I would agree the PC marked magazines should bring a premium over the standard 5906 magazines. I have 4" and 5" DPA 5906s. I can't remember if any of the magazines are PC marked. I do recall that, even though the Assault Weapons Ban had expired, the 5" gun, ordered directly from S&W, came with 10-RD. magazines. I called S&W to request they exchange the 10-rounders for 15s. I got the same unpleasant woman I'd ordered the gun from. She refused to exchange the magazines. I was acquainted with a S&W rep, who arranged for me to be sent 15-round magazines...