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4UANTUM Hop-Up Bucking Friction Pro - GBB Bucking & Nub
Achieve laser-like accuracy with the 4UANTUM Friction Pro GBB Bucking & Nub Set. This premium upgrade features an innovative single-point contact patch and high-grip rubber compound, designed to impart a perfectly centered hop spin. It excels at stabilizing and lifting heavy BBs (up to 0.48g), making it the definitive choice for maximizing the long-range consistency of your GBB pistol or rifle
Key Features
- Ultimate Consistency: Engineered with a precision single-point contact patch to achieve a perfectly centered axis of spin for every BB.
- Heavy BB Performance: Unique contact patch design is highly effective at reliably lifting heavy BBs (up to 0.48g), ideal for DMR and long-range use.
- Wide GBB Compatibility: Designed for the vast ecosystem of Tokyo Marui-spec GBB Pistols and Rifles (including VFC, TM MWS, Hi-Capa, and VSR clones).
- Set Includes Nub: Comes complete with a dedicated Flat-Type Tensioner (nub) to ensure maximum, uniform pressure is applied by the hop arm.
- Flatter Trajectory: Minimal contact surface reduces air drag and inconsistency, resulting in a flat, accurate, and predictable trajectory.
- Optimized Hardness: Constructed from a durable rubber compound (typically 60D hardness) that balances longevity with excellent BB grip.
- Tech-Friendly: Features pre-formed grooves for easy trimming to fit non-standard or tight hop-up chambers (professional installation recommended).
Centered Spin for Unparalleled Accuracy
The core innovation lies in the bucking's unique contour and single-point contact patch. This design focuses the pressure into a perfectly centered axis of spin on the BB, which prevents the horizontal flyers and inconsistency common with traditional or wide-patch buckings. This results in the flattest, most predictable trajectory possible, allowing marksmen to achieve tighter groupings at range. The material compound (typically a durable 60D rubber) provides maximum friction to effortlessly hop even the heaviest BBs, such as 0.40g and 0.48g weights.
Ready for Performance Upgrades
The Friction Pro is specifically compatible with most standard Tokyo Marui-spec GBB and VSR inner barrels and hop chambers. The set includes a custom-profile flat nub/tensioner to ensure your hop arm applies pressure evenly, maximizing the benefit of the bucking’s design. Whether you are running a custom Hi-Capa, a VFC MWS rifle, or a dedicated airsoft sniper, upgrading to the 4UANTUM Friction Pro is the most cost-effective way to drastically improve down-range accuracy and consistency.
| SKU | 616235 |
|---|---|
| Brand | 4UANTUM |
Our courier partners deliver from Monday to Friday, excluding Bank Holidays. We will attempt to dispatch all packages within 24 hours, although at peak times this may take slightly longer. Orders with products with two-tone service or Defence Check may take longer to dispatch.
Once the order is dispatched you will get an email with the tracking number and which courier partner it’s going to be delivered via. Any missing/incorrect items need to be reported with 48hrs of signed delivery.
Click Here to Download the Returns Form (PDF Format)
Faulty Product?! Unfortunately that is part of life but be rest assured we are here to help! Contact one of our friendly staff via phone or email. Stating what the problem is, if we can resolve the problem via phone or email great if not then they will advise how to send it back and what details we require.
The gun will be sprayed 51% in a bright/primary color (we do only blue, green and red currently). The process of two toning currently runs at 2 working days depending on Drying Time, which is effected by Ambient Temperature and Weather. and currently no express delivery is available for this even if you select it at checkout.