I also just picked up a very clean 40p with a very bent polymer guide rod and no buffer. Had a friend with a cnc make a buffer out of uhmw and took it to the range..... Ran great and is a fine shooter. Still didn't like the polymer guide rod so I ordered a full size from Cajun gun works and a full size wolf 22lbs recoil spring, a dremel and a little trimming on both and now it looks awesome. I'm waiting patiently for a package from CZ Custom with a main spring, the black checker compact aluminum grips and some other goodies before my next trip to the range to test it all out. If that goes as well as expected I can see a hammer and a full polish job in the near future. I like the fact that this is quite a bit different than my other cz's but still very much the same in many respects. Oh yea, this is my first post here after many moons of reading and gaining knowledge from this fine forum.