Nylon Gearbox For JinMing J9 M4A1 J10 ACR
Specification: ❶Color: Black ❷Material: ABS+Nylon ❸Compatible model: JinMing Gen9 M4A1 J10 ACR Features: ❶Update your old or damaged parts. ❷Stable characteristics, high reliability. ❸Compatible with JinMing Gen9 M4A1 J10 ACR. ❹Strong and durable usage, perfect replacement for old/damaged parts ...