SHS AEG Upgrade Airsoft Spring M130 M/S Product Overview Manufacturer: SHS M130 AEG Spring Variable Pitch Spring SHS spring's greatest attribute is their value. These springs cost considerably less then most other AEG brands. However, don't let their price fool you. They are still the high quality upgrade you would expect from SHS. Variable pitch springs, like this one, create a more durable gearbox. Details: Shipping Information: View shipping rates and policies Made with JoeLister Quality Products Have peace of mind knowing that your order will arrive original factory sealed packaging. That means that you'll have the full force of the manufacturer's warranty to protect your purchase. Fast and Free Shipping You're already purchasing the item. Why pay additional for shipping, especially slow shipping? We get your order shipped out and delivered to your doorstep as quickly as possible. Commitment We are committed to making sure that you leave this transaction satisfied. That means having access to real people that get your questions and concerns answered quickly. Give us a shot and we will make sure that you will look to us again!