REMINGTON 700 SBR, MDT CHASSIS, 12.50" THREADED BARREL, 308 WINREMINGTON 700 SBR, MDT CHASSIS, 12. 50" THREADED BARREL, 308 WIN THE NEXT GENERATION OF TACTICAL PRECISION. This year, Remington engineers are taking the strength and precision of the Model 700 action to new levels of hair splitting accuracy with the latest additions to our tactical lineup. Introducing the Remington Model 700 SBR. It's MDT LSS Chassis and 12. 5" KAK Industry 416R heavy barrel delivers a lightweight precision rifle in a compact