Entry level pricing but full featured pump kit. 2K+ front mounting block with anti-rotation tab to keep perfect alignment. Pump arm guide to prevent the pump handle from twisting. Hidden return spring. Low friction and self lubricating delrin pump handle. Polished Aluminum pump guide (can be upgraded to our fully fluted stainless steel pump guide with volumiser). Stainless steel pump arm for the ultimate strength (can be upgraded for autotrigger or to fit mini/mid blocked guns with our standard pump arm options). Front block o-rings included.