Hop Up Buckings/Parts

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....

The Maple Leaf Super Macaron Winter Silicone 2021 AEG Hop Up Bucking. Works with the Crazy Jet barrel system from Maple Leaf and other AEG barrels too.  A very unique...

Maxx Model M4A Pro Hop Up Chamber - M4 AEG - new 2022 model for general airsoft M4 AEG models. CNC Aluminum Hopup Chamber M4A Pro (with BB Latching System)...

The Rocket Airsoft Pro-1 M4 Metal Hopup Chamber is an advanced design similar to the Prowin, but with a different cut and some extra parts included.  Clean and aluminum make will...

The G&G Rotary Hop Up M4 Chamber is a rotary style for M4 and M16 style airsoft guns.  New for 2017, this is a great hop up chamber for those that...

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...

Rocket Airsoft M4 / M16 Hopup Chamber. Plastic. Comes with all the internal parts needed to operate and bucking. (please note: packaging may be generic or labeled as 'Rocket Airsoft', but...

The newest Maxx M4P Pro HopUp Chamber for HPA PolarStar Engines on standard M4/M16 platforms. The CNC Aluminum Hopup Chamber M4P Pro (with BB Latching System) blue unit is precisely made...

Action Army Type 96 Hop Up Bucking.

The Rocket Airsoft AK Metal Hopup Chamber complete set works with all AK airsoft AEG models (AK Version 3 gearbox).  Aluminum made and finely tuned - it will fit in all...

Rocket Airsoft Full M4 Metal Hopup Chamber Kit - SHS TT0083 - Comes with all the internal parts needed to operate (adjustment wheel, hopup arm, nub, etc.). CNC Easton 7075 Aluminum...

G&G Cold Resistant Hop Up Rubber Bucking - Blue for AEGs with airsoft Rotary Hopup Chambers.  This is the Blue winter style cold resistant G&G hopup unit.  Includes the brass...