The A&K CNC Metal Hop Up & Air Nozzle for A&K Masada is a fantastic upgrade over the stock hop up and air nozzle. These pieces are machined out of one piece of metal which makes them stronger than cast metal upgrade parts. Also, since these are sold as a set you can bet that they are made to fit better with each other than any other type of mismatched upgrade part set. An enhanced hop up and air nozzle are vital in achieving consistent muzzle velocities and consistent groupings.
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