4UAD Quantum Friction Pro AEG Bucking & Nub

The 4UAD Quantum Friction Pro AEG Bucking delivers consistent performance across multiple hop-up chambers and barrel configurations. Engineered for heavier BBs (.36g and above), this bucking maximizes accuracy and range with a large concave contact patch that provides superior surface area for enhanced BB performance.

Each package includes one bucking and concave nub. For optimal air seal and easier installation, apply a light coating of Super Lube Silicone Grease to both the barrel and bucking exterior. This bucking pairs exceptionally well with Bullgear hop-up chambers and other quality setups.

Specs:

• 1x bucking and concave nub included
• Optimized for heavier BBs (.36g and above)
• Large concave contact patch for improved BB performance
• Compatible with multiple hop-up chamber designs