Extra Long Column set for KMW LoggerHead ACP hardware is a direct replacement for the standard length legs.  Easily installed with 5/16" Hex Drive.  This set allows 0.560" higher maximum adjustment range for your cheekpiece position.  ** NOTE: Once installed, cheekpiece will not be able to adjust completely back down to flush due to the longer legs bottoming out inside the stock inlet.  Includes 1x Grooved Column, 1x Smooth Column, 2x Stainless Steel Flat Washers, 1x Stainless Steel C-Clip snap ring.