GRS Riflestocks GRS Bifrost Ruger 10/22 Brown Stock 105049

The GRS Bifrost Chassis for the Ruger 10/22 in brown is a rigid, ergonomic aluminum‑based stock that enhances modularity and accuracy for the 10/22 platform. It’s ambidextrous, non‑folding, and typically ships as a complete chassis kit (mounting hardware and manual). Exact external dimensions and official weight are not published. Chassis/stockMounting hardwareOwner’s manual GRS Riflestocks GRS Bifrost Ruger 10/22 Brown Stock 105049