Echo 1 M4 (Version 2) Complete Gearbox. Includes upgraded and factory style parts for use with a lot of guns. Compatible with all standard M4 gun tyles, so long as it's not something weird like a Krytac or an odd G&G gun. Includes all standard gearbox parts and wiring. Does not include the motor. Simply replace your broken gun's gearbox with this drop-in replacement kit.
Rear wired for M4 and M16 guns, possibly others too.
Spend $70 For Free Shipping
Click the "BUY IT NOW" button to order now! Don't miss out and regret after price increases.
✈ TIME DELIVERY ✈
United States: Usually 10-15 business day.
International: Usually 12-22 business day.
OUR GUARANTEE
At our store, we truly offer the most stunning, trendy highest-quality products in the world.
We will do WHATEVER it takes with outstanding customer service support to assist everyone as we highly value our customer satisfaction with absolute ZERO risk.
We make sure that every customer is 110% satisfied in every aspect with 24/7/365 FAST SUPPORT!
- choosing a selection results in a full page refresh