Colonel Wasp 77 Spring/Barrel Upgrade Parts

Colonel Wasp 77 Upgrade Parts Introduction：

Features

• Stock 24 cm inner barrel + 2.0 spring: 230+ FPS, ready-to-use configuration
• 30 cm inner barrel + 1.8 spring: 196+ FPS; compared to the stock barrel and spring, it offers easier priming and release
• 26 cm & 30 cm inner barrels with 1.6, 1.8, or 2.0 springs: Can be freely assembled and configured according to your needs