Weaver Weaver 1" See-Thru Extension Rings. Satin Finish. 49512. PreviousWeaver See-Under Converta-Mount Bracket for Remington 870/1100, 11-87. 48311. New Old Stock. NextWeaver Detachable Top Mount Bases. Matte Finish. Weaver 1" See-Thru Extension Rings. Satin Finish. 49512. Weaver 1" See-Thru Extension Rings. Satin Finish. 49512. $49.00 Quantity: Add To Cart Facebook0 Twitter Pinterest0