FITS: 11-87; 1100 12, 12 Mag.
Steel piston and piston seal replaces worn parts for proper functioning and reliability. Drop-in, long-lasting factory replacement part requires no gunsmithing.
Note: Does NOT include the Barrel Seal (767-158-990).
Big Book Catalog, Issue:69, Page:197
SPECS: Steel. Can see Owner’s Manual for installation instructions. Two piece design, assemble beveled edges together before installingon the gun. These will not self-assemble once installed and will prevent the gun from firing.