The smoothest and most stable slider on the market. Uses a linear DU bushing on a hardened shaft, along with a shaft stabilizing internal piston. No need to unscrew the nut to remove the spring. The spring cup opposite the adjusting nut is quickly removed with a clip. A four position locking mechanism assists with fine tuning. The Torrington bearing on the adjuster nut allows for easy adjustment and bind free spring travel. Sliders now come standard with our OD alignment cups. Comes is standard length (24" extended) and +2" (26" extended). Also available in Coarse or Fine thread body.