Modify Irregular-Pitch Spring for MOD24 / APS-2 (M140 / 9mm)

The Modify irregular-pitch spring is a first party upgrade part that is designed to change the FPS of the rifle being upgraded.<

Compatibility:

• Modify MOD24 Bolt Action Rifle
• APS-2

Includes:

x1 Modify Irregular-Pitch Spring for MOD24 / APS-2 (M140 / 9mm)