The Silverback Airsoft FAST Hop-Up Unit (Right Hand) is a precision-engineered upgrade for your SRS-A1 sniper rifle, offering rapid, tool-free hop-up adjustments in the field. Crafted from CNC-machined 6061 aluminum, this durable and lightweight unit is designed for serious airsoft snipers who demand on-the-fly tuning without compromising accuracy or reliability.

The FAST (Field Adjustment Setting) system allows you to fine-tune your hop-up with just your fingers—no tools required. It’s compatible with most AEG inner barrels and hop-up buckings, making it a flexible upgrade for a wide range of custom builds. The included 60-degree silicone hop-up rubber and nub provide consistent contact and spin, while the O-rings and hardware ensure secure installation and stability during gameplay.

Includes:

• CNC 6061 aluminum hop-up body, end cap, ring (with laser markings), and hopbar

• Pre-installed and spare O-rings

• M3x4 screws, stainless steel pin

• 60° silicone hop-up rubber and nub

Specifications:

• Color: Black

• Material: CNC 6061 aluminum

• Compatibility: Silverback SRS-A1 / HTI sniper rifles; works with most AEG hop-up rubbers and barrels

• Manufacturer: Silverback Airsoft

Optimize your accuracy, field performance, and ease of use with Silverback’s FAST Hop-Up Unit—engineered for the modern airsoft sniper.