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  1. SIG Sauer Gunsmithing
    Hi, has anyone completed a P320 FCU? I'm curious to know if you can use a hand drill rather than a drill press. Also, some people have mentioned that the included drill bits will not last long.
  2. P250, P320, P320 X-5, M17, & M18 Pistols
    I took inspiration from a reddit post a few months ago, which talked about home-building a p250 FCU. I have had a great design guy painstakingly recreate the design specs for the FCU receiver as well as the hammer, trigger, takedown lever, slide lever, trigger bar. The only remaining parts...
1-2 of 3 Results