Modular Driven Technologies (MDT) is a manufacturer of accessories for bolt action rifles, mainly our popular the TAC21, LSS, LSS-XL, HS3 and ESS chassis systems for Remington 700, Savage, Tikka T3, Mossberg MVP, Howa 1500, Weatherby Vanguard, Ruger American and Ruger M77. In addition MDT produces magazines, bipods and a number of other products geared towards precision shooting (less)