Eliminates Magazine Spring Corrosion
Long-lasting, magazine springs are made from 17-7 stainless steel to help prevent malfunctions caused by rusty magazine springs. Heat treated for durability and superb performance. Fits Remington 870 with two-round magazine extension. Can replace standard magazine tube springs but will require trimming.
Big Book Catalog, Issue:70, Page:201
SPECS: 17-7 stainless steel. 23" (58.4cm) OAL.