"Sempert & Krieghoff Drilling chambered in 16 Gauge and 7.8x57 mm. The shotgun 16 gauge Nitro marked barrels are choked Full Choke/Half Choke and chambered for 2.5"" or 2 9/16"" shells. The bottom barrel is chambered in 7.8x57 mm. It has a top tang barrel selector, when on the rifle setting it raises a rear flip up notch sight blade on the checkered flat rib. The front sight is a blade. The left barrel is marked ""SEMPERT & KRIEGHOFF, SHUHL"". The underside of the barrel is marked with serial ""16286"" with ""G"" and ""Y"" behind the forend lug and date code ""732"" July 1932? The bottom of the action has ""KRIEGHOFF / DRILLING / WALD SCHUTZ"".The case colored scalloped receiver is scroll engraved and has a Greener cross bolt, double triggers, extractors, cocking indicators. There is a Greener safety on the left side of the stock. The stocks are two-piece hand-checkered walnut. The stocks have a pistol grip with a black plastic grip cap, cheekpiece, and a serrated black buttplate. The forend is a splinter forend with a Deeley release. There is a sling mount on the belly with a front mount on the bottom of the rifle barrel. Serial #16286."