Interarms mark X barreled action receiver, bolt, 7mm Remington magnum cal.  Serial #B200920, mfg. England.  Good condition.  24" barrel, with muzzle brake, has an excellent bore, screws installed where sights formerly were.  Leupold scope rings fitted to the receiver.  Polished bolt with checkered underside bolt knob.  The bolt shows age to the finish.  80% blue finish with some general wear and peppering and some scratches to the finish.  The action appears to operate fine.  No stock.  Good foundation to complete your build.