Description Features Variable tension. Reduces stress, wear and tear for your gearbox Made out of stainless steel. Increased tension and durability. Tension lasts 50% longer than other leading brands Designed for all versions of Airsoft AEG gearboxes
Quick view Add to Cart Matrix Matrix Irregular Pitch Airsoft AEG Upgrade Spring (Power: M90 280~340 FPS) $15.99
Quick view Add to Cart Matrix Matrix Irregular Pitch Airsoft AEG Upgrade Spring (Power: M190 600~700 FPS) $22.99
Quick view Add to Cart Matrix Matrix Irregular Pitch Airsoft AEG Upgrade Spring (Power: M130 430~520 FPS) $16.99