Features:

• Oil Tempered with high pressure treatment
• Irregular pitch spring for maximum performance.
• Constructed out of 1st class carbon steel piano wire.
• Long lasting durability and high performance output.

Spring Velocity: 420~520 FPS
Model: AC-VSR-SP150
Material: First class piano wire / carbon steel.
Compatibility: For all Tokyo Marui, JG BAR-10, WELL VSR-10, MB-03, MB-07, G-Spec, M24, M28, AGM L96, and other compatible bolt action sniper rifles with VSR-10 compatible internals.