Silverback SRS / HTI FAST Hop-Up Unit

Introducing the FAST Hop-Up Unit for Silverback SRS (all versions) and HTI — a CNC-machined, field-adjustable upgrade that lets you tune hop-up on the fly without tools, delivering precise backspin and reliable accuracy in the heat of battle.

• FAST Field Adjustment Setting: Tool-free hop-up tuning in seconds during gameplay for quick, precise trajectory tweaks.
• Compatibility: Specifically designed for Silverback SRS (all versions) and HTI, and compatible with most AEG hop-up rubbers and AEG barrels.
• Material & Construction: CNC-machined 6061 aluminium body parts deliver durability, consistent fit, and long-term reliability in rugged field conditions.
• Laser-Mmarked Ring: Laser markings on the hop-up ring provide repeatable, easily recalled settings for quick re-tuning.
• Complete Packaging: Includes CNC 6061 aluminium hop-up end cap, body, ring, hop bar, and a full O-ring and hardware kit for a ready-to-install upgrade.
• O-Ring & Hardware Kit: 8×2 O-rings, 10×1 O-rings (x2), 5.8×0.75 O-rings (x2), M3x4 screws (DIN 913 / ISO 4026) 10.9 (x3), and 1.5×8 stainless steel pin for secure assembly.
• Pre-installed Hop-Up Rubber: Includes 60-degree silicone hop-up rubber and nub (SBA-HOP-21) pre-installed for immediate performance.

The packaging is designed to simplify upgrades, combining precision components with a reliable silicone hop-up rubber and nub for consistent backspin from installation. The unit’s aluminium design and laser-marked ring help you maintain stable settings across sessions, while its broad AEG compatibility means you can repurpose existing rubbers and barrels without swapping the entire system. Ideal for dedicated airsoft players who demand fast, dependable hop-up tuning in the field.