PROOF Research® introduces the MDT Chassis Rifle. The adjustable length-of-pull, and comb height, are adaptable to any shooter. The ACC Chassis sports a full Arca rail down the entire length of the forend, and M-Lok mounting points for weights and accessories. The PROOF Research MDT Chassis Rifle is available in 223 Rem, 6 ARC, 6 Dasher, 6 Creedmoor, 6.5 Creedmoor, and 308 Win. MSRP is $5,699.00.