A must upgrade for only Remington 870 Wingmasters. The old spring was a continuous coil and tends to break in the center. The fix for this is the new spring where the coils join close together in the center of the spring. It is an easy install by watching my How to video below. Also if you are getting light strikes your old spring need changing.
If you don't think you can do this then after you purchase the part send me the breech bolt and I will install it. No charge other then you tell five people about my store. See with the flat rate shipping It cost me the same to send you the spring as it would to send it back to you will the spring installed so I will hold your order till I get your bolt and install it then ship it back to you. I do this in a couple minutes and it keeps me sharp so I don't mind doing it for you.