SPARK Japanese Spring for Electric Guns M120

Manufactured by a Japanese manufacturer and is resistant to fatigue! High rate spring for electric gun custom. Product contents: 1 piece The equal pitch allows for stable power settings, making it possible to finely adjust the rate. The material used is the highest grade piano wire steel, achieving both flexibility and high durability. Recommended for long range tunes etc. The model number M90 is a reference format for the initial velocity value, and not all guns will necessarily have an initial velocity close to the model number number. Be sure to check the bullet speed and make adjustments. Initial velocity depends on barrel length and barrel inner diameter. The longer the barrel and the narrower the inner diameter, the higher the initial velocity. [Notes] There may be slight scratches from the factory or damage to the package due to transportation. Since this is a product for advanced users, processing may be required for installation. When assembling the product, it may be necessary to fit it together or perform other processing that requires technical expertise.