KINETIC RESEARCH GROUP C-4 MONOLITHIC CHASSIS FOR REMINGTON 700 SA Purpose built with direct feedback from top competitors and trainers the C-4 is the epitome of the modern competition rifle chassis. With sought after features such as tool-less adjustable length of pull, cheekpiece, height and cant, as well as their new bag rider height adjustment, this chassis is designed to fit the shooter for maximum comfort and repeatability. KRG also included height and tension adjustment for your magazine to adjust for the many variations that can occur allowing your preferred AICS or AW mag to fit and feed just right. The C-4 features a full monolithic aluminum frame, Mfg: Kinetic Research Group