9mm Smith & Wesson M&P Pro modified from .40cal from Grasshopper Gunworks LLC near East Freetown, Massachusetts, USA

9mm S&W M&P Pro, converted from original .40cal,  Two 4.25" uppers, one stock iron sight, one aftermarket iron sight, Apex complete trigger sear kit, Speed Shooters Specialty large aluminum magwell, two ETS 30 round magazines, one factory S&W mag with Taylor Freelance Plus 10 Extension, Hera Triarii pistol to carbine conversion.