Replace your existing gear set with these full metal reinforced double torque type gears from LayLax. Along with high quality gears, this package also includes Prometheus Shims to ensure the best possible fitting after modification. The universal design of these gears and shim set allows them to be installed in all version 1, 2, & 3 gearboxes, and are recommended for use with M135 springs or lower. Upgrade your rifle and maximize its full potential, with this full steel gear set from LayLax.

Features:

• Full Steel Gear Set
• Reinforced Double Torque Type
• Prometheus Shim Set Included
• Easy Installation
• Recommended for Use w/ M135 Springs or Lower