I have one of the RBL Launch 20 bores with tubes. I have used it on skeet (with the skeet and IC tubes) with no major issues. I tried it on sporting clays and a round of "skrap" (with the Full and IM tubes) and found that I was missing birds that I knew damned well should have broken. These were mostly 35-40 yard birds. 2 of us got together for a pattern plate party at our range and low and behold the RBL is shooting its pattern centers about 12-18" low at 25 yards, regardless of choke tube used or the shooter doing the testing. Any thoughts on options other than selling the bloody thing or going through another dance with the people at CSMC? I do not love it enough to spend much money trying to put it right, but I also don't feel right about selling someone this contraption.