7mm upgrade pružina pro pušky - M150 (500 FPS)

7mm Upgrade Spring for Rifles M150 (500 FPS) is designed to increase the performance of manual airsoft sniper rifles. Made from quality spring steel with heat-treated construction, it offers reliable operation, long service life, and resistance to fatigue even during intensive use.

The spring delivers an approximate performance of up to 150 m/s (500 FPS), although actual results may vary depending on the rifle setup, air seal efficiency, and installed internal components. Its dimensions make it suitable for a wide range of airsoft sniper systems, and its diameter also allows compatibility with many commonly used piston types.

This is a practical upgrade component for players looking to improve the performance of their sniper replica and achieve more consistent shooting results.

Features:

• upgrade spring for manual airsoft rifles
• designation: M150
• approximate output: up to 150 m/s (500 FPS)
• material: spring steel
• heat-treated construction
• inner diameter: approx. 7.5 mm
• outer diameter: approx. 10.2 mm
• length: 251 mm
• compatible with a wide range of sniper systems
• suitable for most standard plastic pistons