The Brownells Ruger American BRN-1 Chassis system is designed to provide an enhanced rifle setup for owners of a number of popular rifle actions. Manufactured by MDT, the chassis is developed exclusively for Brownells and is inspired by the design of MDT's LSS rifle chassis. A great option for precision long range shooters looking to upgrade their stock rifle. The BRN-1 Chassis system is set up to accept an AR-style buffer tube, allowing access to the incredible aftermarket of AR-15 buttstock accessories. The chassis also allows for the use of AR-style pistol grips, ensuring that owners can customize their rifles in any number of ways. The chassis is constructed from 6061 aluminu Mfg: Brownells