Has interchangeable mag well system to accept different types of mags (including Glock). Looks pretty cool, kind of want
Smith & Wesson Response 9mm Pistol Caliber Carbine with 16.5 Inch Threaded Barrel and FLEXMAG System
Smith & Wesson: Response 9mm Pistol Caliber Carbine with 16.5 Inch Threaded Barrel and FLEXMAG System for sale at Sportsman's Outdoor Superstore.
www.sportsmansoutdoorsuperstore.com