Shooting For Perfection Pro-X Tuner Bushings:

Extra Bushings are available for shooters using the Pro-X Tuner (discontinued).

Using the volume method to tune your rifle, pick the best length bushing for your barrel length. Five different lengths of bushings available. All with 1-3/8” - 18 tpi thread and .925” through hole. Made from top quality 6061 aluminum and features the exceptional fit and finish CST is known for. Length values shown are a net addition to the tuner length.