NOTE: This product is the spring ONLY. Does not come with tappet plate.
A stronger tappet plate spring helps with "midcap syndrome", which is where some guns drop BBs on a fully loaded midcap but begin to shoot normally 30 rounds into the mag. The reason for this is that the nozzle is not able to load the BB in time with the pressure of a fully loaded mag. Our tappet plate spring helps to alleviate this issue. It will also help seal the nozzle against the hop up.
We recommend using this with our Guarder or SHS tappet plates, as this spring will break most stock tappet plates.