The 5KU Infinity Style Hammer & Strut is designed for WE, ARMY, and Marui Hi-Capa GBB airsoft models, crafted from durable steel to ensure exceptional strength and longevity. Engineered for precise fit and reliable performance, this upgrade component enhances trigger response and cycling reliability, making it ideal for competitive and tactical applications. Its robust construction guarantees consistent function under intensive use, offering airsoft enthusiasts a premium solution for maintaining and improving their Hi-Capa GBB pistols.