I JUST RECIVED WIN 70 NATIONAL MATCH OFF GUNSINTERNATIONAL WHEN I BOUGHT THE GUN I ASKED THE GENTLEMAN IF IT WAS DRILLED FOR UNERTAL SCOPE BLOCKS HE SAID YES, THE GUN HAS BLOCKS IN THE THE REAR THAT LOOKED LIKE UNERTAL BLOCKS BUT WERE LARGER WITH THE REAR COVERING THE CLIP SLOT. THEIR ARE 2 SCREW HOLES IN FRONT OF THE FRONT SIGHT CUTOUT THAT MEASURE 1 3/4 IN APART CAN ANYONE HELP ME WITH THIS I WILL TRY TO POST SOME PICS BUT HAVE NEVER POSTED ANY. ALSO DOES WINCHESTER ACHIVE SERIAL NUMBERS WHERE I CAN CHECK TO SEE IF ITS REALLY A NATIONAL MATCH. ANY HELP WOULD BE APPRICATED AS I HAVE A 3 DAY INSPECTION.