The picture that I posted was actually from an e-mail I had received. I was able to find the actual shirt on Zazzle and CafePress!
GUN CONTROL : The theory that a woman found dea... T Shirt from Zazzle.com
Gun Control - Ash Grey T-Shirt by chimborazo- 2982480
No I have never used them. I never had the need to as I don't live in MA so all the M&P's I owned had the stock trigger pull of 5-7 pounds. You can get a trigger job to drop the trigger to as low as 2.5.