This resembles an WR action...it would be dated late 1881 in my chart. No set screw and no C fastener. Is it WR?
23536 - E.M. Reilly & Co, 277 Oxford St., London. Shotgun SxS 12 ga. BLE. Steel Barrels. A&D Patent use #3814 (RWGs gun)(1st use of renumbered addresses 277, 16)


Baluch are not Brahui, Brahui are Baluch