Brownells has become 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.

“The new TAC-21 chassis brings the Remington 700 Short Action to the next level in versatility and modularity, with an instant improvement in accuracy,” said Brownells President Pete Brownell. “We’re pleased to be the exclusive distributor of this unique product.”

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.

To learn more, visit and enter stock number 100-007-351, or click here.

At Brownells everything is guaranteed, period! …Forever, 100%, with no restocking fees. Founded in 1939, the company supplies more than 50,000 firearms parts, accessories, gunsmithing tools and ammunition to armorers, gunsmiths, and shooters worldwide. Brownells provides free tech help and there’s no minimum to order or small order fees. To place an order, or for more information, call 800-741-0015 or visit and mention code PHT.

Larry Weeks, (641) 623-8071 or

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