Gearbox for JinMing J9 M4A1 / J10 ACR

Gearbox for JinMing J9 M4A1/J10 ACR

Features:

• Genuine JinMing Gearbox
• OEM Factory replacement
• Complete with all internals
• Nylon Shell
• Perfect for a straight swap, upgrade or replacement

Package Includes:

• 1 x Gearbox