This is an upgrade for the Empire Sniper to improve the pump stroke. This can also be used on an 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.
It is fully fluted for reduced friction and made of polished stainless steel to make it stiffer and more rigid. The inside is machined to provide extra volume as compared to the stock Empire part. It is slightly shorter than the stock part allowing for a longer smoother pump stroke to reduce the risk of not fully pumping the gun when auto-triggering.