Similar:armalite ar 10vintage gun partsshotgun partsrifle parts lotsurefirerifle barrelgun partsrifle stockrifle parts usedrifle parts .223rifle accessoriesvietnam rifleYou bought it proper. It is a screw-on choke tube. It truly is at the least just like the Lyman/Cutts choke tubes that are still offered on eBay and through other resources ().The f