4UAD 4UANTUM Friction Pro High-Performance GBB Bucking Grip Screws Made from carbon fiber-reinforced polymer

Made from carbon fiber-reinforced polymer for superior strength and durability

Optimized for high FPS and high RPS setups

the Snappy Boi spring offers consistent results with durable UK-made quality

high-speed motors

1x CNC Hardened Stainless Steel Cylinder Type D (250-300mm)

4UAD 4UANTUM Friction Pro High-Performance GBB Bucking Grip Screws Made from carbon fiber-reinforced polymerThe 4UAD 4UANTUM Friction Pro High Performance GBB Bucking is engineered for Gas Blowback (GBB) pistols and rifles, offering exceptional hop up consistency and enhanced BB stabilization. Made with premium grade silicone material, this bucking delivers reliable hop up performance, helping improve range, accuracy, and groupings even under rapid fire conditions. The Friction Pro design provides increased friction contact with the BB for superior spin and