Brownells is the exclusive distributor of the TAC-21 Remington 700 Chassis, a modular chassis for Remington 700 short-action rifles that offers a combination of benchrest accuracy, superior ergonomics and specialized design.
Made by Modular Driven Technologies of Chilliwack, British Columbia, the drop-in chassis serves as a base onto which the operator can add tactical components. It’s manufactured out of aluminum and hard-anodized to mil-spec type III standards with a top full-length MIL-STN-1913 accessories mounting rail. It weighs just over 3 pounds.
The TAC-21 chassis is designed to accept any AR-15 buttstock and pistol grip and uses Accuracy International Chassis System-style magazines, also known as AICS magazines, in .223 Rem. and .308 Win. calibers. It retails for $849.99.
Other features include:
– MIL-STN-1913 accessory rails can be mounted to the forend
– Mounting holes are spaced for Magpul-style L5 (11 slots) and L3 (7 slots) rails.
– Minimizes warping and distortion.
– V-shaped bedding ensures best accuracy
and repeatability.


