20g Winchester Model 96 XTR Over & Under Boxlock Ejector Serial No. K268879 - with 26" x 3" barrels, with top lever opener and non-automatic safety, single trigger, ventilated top rib - metric proof stamp mark to the bottom barrel 15.6 (0.614) both barrels measure 0.614 - top barrel stamped Modified and the bottom barrel stamped Imp Cylinder - 14.25" semi-pistol grip stock