THOMPSON/CENTER ARMS Breech Plug Thompson Center Stainless Breech Plug For Black Diamond These are replacement breech plugs for the Thompson Center Encore, Omega, T/C #7763 or the Diamond and Woods Rifle T/C # 7769. SPECIFICATIONS: Mfg Item Num: 7769 Category: BLACK POWDER ACCESSORIES Type :Breech Plug Caliber :Black Diamond & Wood Rifle Finish :Stainless Steel Color : Capacity : Size : Material : Model : Count : Pieces :