Top: Omega MP5SD-K Hybrid (MP5SD with 3 lug K barrel under the hand guard), HK Ambi Trigger pack, Welded Top Rail and Bottom Rail by Ralph Jr, SB Tactical Brace. Gemtech Raptor .40 with a 9mm Piston from GSL Technology.
Bottom: DJ Getz .40 Pistol with it's suppressor and brace freshly stolen by it's new Omega brother!
My C93. That is an mp5 stock and a hk91 lower that I cut to fit the 93 frame. Still needs to be cleaned up but is a fun project so far. I have had all kinds of optics on it but I always come back to the irons sights.