Inception Designs Fluted Pump Guide Pre 2K Airsoft Upgrade Parts With great anticipation we introduce BO AA77 TOXIC With great anticipation we introduce the 2013 Hammer 7 pump action paintball marker with cool new features that didn't exist two decades ago 10 1 2 inches long x 3 5 8 inches wide 1 3 8 inches bottle to ASA This is a stainless steel pump guide for use with the Inception Drift and Genesis pump kits and allows them to fit pre 2k autocockers and sniper bodies This can also be used on a pre 2k Autococker where the pump guide replaces the front banjo bolt and works as a volume chamber to help lower the operating pressure of the gun and allow the use of a modern front block (All Inception options including the Mini VASA