Modify MOD24 Aluminium Hop Up Arm

Modify MOD24 Aluminium Hop Up Arm Modify MOD24 upgraded parts HOP-UP CNC-machined aluminium hop-up arm is of hardened, anodized aluminium alloy to result in improved reliability. Compared to plastic, the aluminium alloy hop-up arm offers consistent downward pressure to help improve performance when shooting 0.3g-plus BBs. Features: Aluminium construction Based on original design Fits MOD24 Sniper