This high-quality Super 70° HU bucking is perfect for Tokyo Marui, WE, KJW, and VSR-10 replicas. It includes a unique ring for improved tightness and features a special construction and spinning element that enhance BB flight trajectory. With recommended hardness levels ranging from 50° to 80°, this bucking is designed for FPS ranges from 360 to 490. Available in blue and made of silicon material weighing 1 g, it is a top-of-the-line product from Maple Leaf.