This replacement bucking for most AEGs is highly recommended when upgrading to a Systema tight bore barrel. The external diameter of the Systema tightbore barrels is a bit larger that most other barrels, the barrel spacer that is sold with this bucking is made to fit around Systema barrels.
Designed to achieve ultimate consistency, the Friction Pro hop-up bucking focuses on creating a perfectly centered axis of spin in every shot.While ba..
Hop-up Nub by Action ArmyThis high-quality hop-up nub by Action Army is designed for use in AEG hop-up chambers. The nub acts as a pressure interface ..
The ASHU (Airsoft Systems Hop Up) with empty magazine detection for the ASCU Gen.3 (ref. 17534) will, when it is connected to the ASCU, detect when th..