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Home » Accessories & Parts » Hop-Up Buckings

4UAD SmartAirsoft 4UANTUM Friction Pro High-Performance Bucking for Airsoft AEGs

ID: 113269 (HU-4UAD-FPA-001)
AEG-001
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4UAD SmartAirsoft

$12.00

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Product Description

Features

  • Works with standard AEG hopups and barrels
  • Designed to create perfectly centered axis of spin for ultimate consistency
  • Unique contour of the contact patch allows the lift of heavier BBs up to 0.48g
  • Minimized contact surface to eliminate error
  • Flat, consistent and accurate trajectory!
  • Improve accuracy, range, and groupings
Designed to achieve ultimate consistency, the Friction Pro hop-up bucking focuses on creating a perfectly centered axis of spin in every shot. While based on a rather traditional single-point design, the unique contour of the contact patch generates enough friction to even lift heavy BBs up to 0.48 grams, while minimizing contact surface to ensure there's no room for error. Resulting in a flat, consistent, and accurate trajectory!

Manufacturer: 4UAD SmartAirsoft

26 Customer Reviews

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by Josiah E. on 10/21/2025
"Works great, easy upgrade, worth it. I'm shooting lasers now.
by Albert H. on 09/28/2025
"One of the best buckings I've tried. I won't say its the only one you should ever get as hop performance for specific buckings is reliant on the barrel, chamber setup. It is however worth buying a few and trying them to compare ot other setups. It is only beat by my UA R-hop barrel, so it's definitely worth a shot in your build.
by Sarah H. on 09/26/2025
"Holy cow, this bucking is amazing. I installed to of them into 2 gen 3 lancer tacticals (these guns only have a 200mm inner barrel btw). Immediately after installing, the groupings on both guns went from meh to jaw dropping. As for range, I didn't see a lot of gain, but the tiny inner barrel probably affect that. Overall 10/10 will be buying again.

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4UAD SmartAirsoft

About 4UAD SmartAirsoft

4UAD is a team of passion-driven enthusiasts on a mission to produce practical, systematic experiments on each aspect of Airsoft performance.