Tremors 2 Recoil System for M4 Carbine - Modify

Tremors 2 Recoil System for M4 Carbine

Includes:

Recoil Action
Recoil Spring Guide
Primary Screw
Secondary Screw

The recoil impact jolt is realistic. You can feel the difference in the first time you shoot it.

Suggested Modify Series internal parts: Ultra Piston / Quantum Piston / Torque Gear Set / Torus Gearbox

The different design of Tremors ver.2 is the separate hammer and hammer guide. This design will make the recoil impact jolt more realistic. Let you feel more powerful when you install it in the M4 Carbine.

Recommended for 22 BPS and under.
The hole for the stock screw on the gearbox needs to be bihher to allow new parts.