These high grade synthetic rubber O-rings replace old, worn or cracked rings to provide a proper seal and restore gas system reliability in semi auto shotguns. They are graphite coated for long lasting performance. Use them with Remington 1100 and 11-87, Beretta, Winchester, Franchi, Charles Daly, Tri Star and many other auto loading shotguns that use a gas O-ring. Bulk package of 12.

Specifications and Features
12 gauge
Synthetic rubber
Graphite coated
12 pack

Fits: Many auto loaders that use a gas O-ring