Brownells Extended Magazine Tube Spring Fits Remington 870, Stainless

The magazine springs, constructed from 17-7 stainless steel, are designed for longevity and to prevent malfunctions due to rust. They undergo heat treatment to ensure durability and optimal performance. These springs are compatible with the Remington 870 equipped with a two-round magazine extension. While they can replace standard magazine tube springs, trimming may be necessary.