MCH Private Equity has sold Gamo Outdoor, S.L. to Bruckmann, Rosser, Sherill & Co, a New York-based private equity firm. No financial terms were disclosed for the transaction, which closed on August 2, 2013. Harris Williams & Co, a middle-market investment bank, served as advisor to Gamo. Based in Barcelona, Spain, Gamo is a producer of airguns.