Made for the Silverback Airsoft DesertTech SRS-A1 Sniper Rifle, the Silverback SRS FAST Hop-Up Unit is available at RedWolf Airsoft and comes with a 60 Degree Hop-Up Rubber... "The Silverback SRS FAST Hop Up Unit & 60 Degree Hopup Rubber is a 6061 aluminium CNC machining hopup unit for the Silverback SRS-A1. Its new design enables one to adjust the hopup in-game without any tool within seconds.

It looks like the Brain Exploder found the best hop-up setup for his Silverback Airsoft SRS... "After trying several combinations of barrels, hop up variants (r-hop, flat hop, traditional, s-hop), nubs and even hop up units I think I might finally have the perfect combo.

Previously, we posted images of the 3D rendering of the planned Silverback Airsoft SRS A1 Field Adjustment SeTting (FAST) Hop Up. Now, they are showing protoype which shows a tool less adjustment with the dial design and have a "return to zero" feature in case of the need to swap inner barrels and is made of the CNC'd Aluminium 6061.