SHS M90 Unequal Spring

Description

SHS M90 Unequal Spring

Features:

• Stock springs generally tend to be low quality and wear down relatively quickly. As the coils continuously expand and contract they loose elasticity. As a result, muzzle velocity and overall performance will suffer.
• Variable Pitch Spring
• The Uneven Coil Design Allows for Better Force Distribution and Improves Overall Performance
• Mathematically Calculated Design for Best Consistency
• Made From Super High Grade Steel
• Resists Operational Wear and Retains Elasticity
• FPS Rating: 290 FPS-300 FPS w/ .20g

Package Includes:

• 1 x Spring