PIANO Wire Steel Spring for AEG - M130

AA PIANO Wire Steel Spring for AEG - M130

Upgrade your AEG with a true-performance component engineered for reliability under pressure. The AA PIANO Wire Steel Spring for AEG - M130 uses premium piano-wire steel, heat-treated for enhanced fatigue resistance, delivering a more consistent compression cycle and stable muzzle velocity across field sessions. Designed for M130-grade upgrades, this spring is the right choice when you’re pushing your platform toward higher FPS targets while maintaining dependability.

Key benefits in real-world play

• Consistent power delivery — minimizes shot-to-shot variance, helping you land tighter groups during long-range engagements on milsim fields or when running extended CQB drills.
• Durable construction — piano-wire steel with careful heat-treating resists fatigue during rapid compression cycles, especially under high-rate fire.
• Reliable compatibility — designed for AEGs configured for M130 upgrades, making it a straightforward upgrade to restore performance after long-term use.
• Predictable chrono results — reduces velocity drift over time, helping you stay within field rules while maximizing consistency between games.