4UAD SmartAirsoft
A lot of accuracy issues come down to the BB not sitting centered in the hop-up. The 4UANTUM Friction Pro fixes this by using a wider friction patch that centers the BB before it leaves the barrel. This stops the side-to-side "hooking" often seen on long-range shots, keeping your flight path laser-straight. If you're tired of seeing your BBs veer off-target, this is the easiest AEG upgrade to get your groupings back where they belong.
Stock rubbers often dry out or get brittle in the cold, causing your FPS to tank mid-game. The 4UAD SmartAirsoft Orange Bucking uses a high-grade compound that stays tacky and flexible regardless of the weather. It’s a full hop-up kit that includes a matched nub, so you don't have to worry about your hop-up arm applying uneven pressure. This setup drops into almost any standard AEG inner barrel and creates a tight seal that stops air leaks in their tracks. Because it’s so grippy, you can finally hop heavy .30g+ BBs without having to max out your adjustment dial.
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