Irons Man Posted January 14, 2006 Share Posted January 14, 2006 I have an HK M1S90 I want to find a mag extension that wil most closely fit or match the length of my 18 inch barrel Do I need a +2 extebsion or +4? My gun does not have the plug in it I assume that the +2 wil bring me to 7+1 mag capacity Is this rght? WHere can I get one, I know they are now expensive but I will pay anyhow Quote Link to comment Share on other sites More sharing options...
ChrisP Posted January 15, 2006 Share Posted January 15, 2006 PM sent Quote Link to comment Share on other sites More sharing options...
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