Classic Army MP5SD in B&T trademarked body. Fitted with Systema replacement tune up gearbox, 6.03 tbb, G&G green bucking, and hi torque motor. Have 5 regular MP5 mags can include, will look at trades mainly interested in daytona/hpa gbb platforms. (No M4 hpa builds) PM with offers, questions, or for more pictures. Thanks for your time, stay safe.