It can be done but it ain't easy. You have to either shorten the frame or modify the base plate and add a spacer to the lanyard loop (or do what Scooter posted). With enough time and will power you can do just about anything. I just added a JF to one of my .45 Compacts and while it works with my 12 round Compact .45 mag (two 8 rounds welded together) it won't have any company until the HK45 10 round mags come out. Then I will get silly again!
mine looks like hell . i take good care of it but work is really hard on the finish. lots of metal where i work and your always scraping/rubbing up against something. im always out in the elements and im really glad i got a usp , you can trust it to perform. my job eats handgun finishes btw , you should see everybody elses.
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