Home HPA Engines, FCU's & Trigger Boards Gorilla Fusion Engine Trigger Board View basket “Gorilla Mini FCU” has been added to your basket. Gorilla Fusion Engine Trigger Board£34.99 4 in stock Gorilla Fusion Engine Trigger Board quantity Add to basket Categories: Engines, FCU's & Trigger Boards, HPA Description Trigger Board made for Fusion Engine to have a faster trigger response. Related products Kross Airsoft Design Hi-Capa To M4 HPA Adapter – Pre BuiltHPA, Taps Valves + Adapters £130.00 Add to basket PolarStar Gearbox Shim Set for Cylinder Conversion Kits – 0.152″Engines, FCU's & Trigger Boards, Gearbox, HPA, Parts £10.00 Add to basket KAD (Kross Airsoft Design) Balystik Regulator keyHPA, Lines + Regulators £4.00 Add to basket Gorilla V2 MFCUEngines, FCU's & Trigger Boards, HPA £169.00 Add to basket