Rocket Airsoft M4 Air Nozzle

The Rocket Airsoft M4 Air Nozzle is a replacement nozzle for all M4 and M16 AEG airsoft type guns. Single o-ring style. Its aluminum construction and internal o-ring makes it a great upgrade from a factory plastic air nozzle. Be sure to use pure silicone oil when lubricating the nozzle stem on your cylinder head before installing this nozzle. Increase your FPS and efficiency with this better sealing and more durable nozzle! Note: this is a 21.50mm nozzle (please note: packaging may be generic or labeled as 'Rocket Airsoft', but is made by SHS OEM). Picture may be different or updated (this is for the single o-ring style; o-ring included). This nozzle is commonly used in these manufacturers: Krytac M4s (Trident MKII)