Hop Up Buckings/Parts

Prometheus Hop Up Tensioner FLAT rubber nub set (soft & hard). Includes two rubber nubs.  The Flat style hopup is quite popular!  For use with any type of bucking, depending...

The Prometheus Hop Up Flat Straight Chamber Packing Blue Bucking works in AEG airsoft guns. The smooth bore is unique and requires a bridge (Flat Hop nub) to function perfectly....

Prometheus Hopup Tensioner Bridge Flat Rubber Nub. A unique set, with the little bridge (underneath) that works in all airsoft AEGs (not the Uzi). Includes both a hard and soft...

Prometheus Perfect Metal Chamber NEO (M4 Hopup Chamber, with Pressure Arm and Gear).  This is a replacement hop up chamber for all M4 type AEG airsoft guns.  It's a very...

The Prometheus Soft Hopup Bucking - Purple rubber bucking for AEGs - our most popular seller at Airsoft Atlanta!  For use with HPA tapped guns, AEGs, Prowin Hop Up Chambers,...

Prometheus M4 Rotary Hop Up Chamber (Wide Use).  Metal precision made by Prometheus in Japan for use in specific M4 AEG airsoft gun types.  For use in Krytac rifles and G&G...

Prometheus Hard Hopup Bucking