Umarex Notos Plenum Kit Notos Plenum Kit:Gen1/2 (Threaded Shroud Adapter) x1 Brass rear spring guide

x1 Brass rear spring guide

It will come with the necessary washer seal/orings/shims to clock it properly

Fitment for 18

Also once it’s flushed

These are custom oversized cocking handle design to fit the FX rifles

Umarex Notos Plenum Kit Notos Plenum Kit:Gen1/2 (Threaded Shroud Adapter) x1 Brass rear spring guideThis is a plenum kit for the notos. The kit consist of 2 shroud end cap adapters and a 15cc plenum. Orings are installed on the plenum but spare ones will be included along with the factory barrel o rings. The front end cap has a 1 2x20 unf male thread that'll allow you to use any 1 2x20 moderator. You will need to remove the factory molded in moderator from the barrel in order for this to work. With the added 15cc plenum you can expect an increase in