Home HPA Engines, FCU's & Trigger Boards Gorilla Fusion Engine Trigger Board View basket “Gorilla V2 MFCU” 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 KAD (Kross Airsoft Design) Balystik Regulator keyHPA, Lines + Regulators £4.00 Add to basket Custom Lines – 36″ – JungleHPA, Lines + Regulators £42.50 Add to basket MAC – Airsoft Armourer – Gorilla – ASR00001HPA, MAGIC Series £2,000.00 Select options Airtac MK23 to M4 HPA Adapter & mag – prebuiltHPA, Taps Valves + Adapters £110.00 Add to basket