Prometheus Elite CNC Hop-Up Chamber w/ Buckings HK army TRK An adjustable hop-up feature creates

An adjustable hop-up feature creates spin on the BBs for additional stabilization in flight

This HK MP5 is ideal for CQB airsoft fields and environments

Polymer selector switch

fits most buffer tubes

Compatibility: Picatinny/weaver rail

Prometheus Elite CNC Hop-Up Chamber w/ Buckings HK army TRK An adjustable hop-up feature createsPrometheus ELITE CNC Hop Up Chamber Standard hop, Flat hop, R hop compatible CNC construction Includes 2 Prometheus buckings and nubs Ball bearing spring set for secure, positive click Compatible with standard nozzles Widely compatible chamber design The ultimate ELITE series of CNC Prometheus parts elevates Prometheus designs to the maximum for those seeking the most premium of Hop Up units. The highly customizable ELITE hop up chamber allows for the