Description Mossberg 500 ATP Mariner chambered in 12 gauge for 2 3/4″ and 3″ shells with a tubular magazine and a 18.5″ barrel. The bore has a fixed cylinder choke. Stainless steel barrel, magazine tube, receiver, and trigger. Blued aluminum heat shield. Tang mounted safety. Push button action release. Black finished ribbed wood forend. Textured polymer pistol grip stock with rubber recoil pad and shell holders. Mounted fabric sling. Brass bead front sight. Must ship to a FFL holder. Condition: Good/Very Good with light scratches, contact marks, and general cosmetic handling wear. Wear on the internal and operational parts from normal use. Some spots and speckling of metal oxidation. Light scratches and wear on the furniture. Clean smooth bore. Barrel Length: 18.5″ Serial: H777707 Manufacturer: MOSSBERG Gauge: 12 Ga. Model: 500 ATP Mariner Book# 07815