The 1200fps 180gr is what the 10mm was pretty much based on. Not sure where those powders fall, but you'll need at least a medium burn rate like Unigue or Universal to get to that velocity range. If you haven't done so I would replace your recoil spring with a new one, they're cheap and just good insurance. The plastic adapter is just for the Hoque grips, the factory grips hold the mainspring and spring cup in them. The grip pin is suppose to be holding the adapter in place, but like it sounds with yours, some people forget to put it back in.
Last edited by handgunner356; 05-10-2010 at 09:01 AM.
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