Mossberg Onyx Reserve Complete Specs and Full Gun Specifications

The Mossberg 75431 Onyx Reserve Sporting Over Under Shotgun in .12 Gauge features a 28-inch vent rib barrel, blued receiver engraved, blued barrels, satin black walnut checkered stock with a pistol grip, front and mid bead sight, multi-choke (mod, IM, full, (2) IC), 3 chamber, black rubber recoil pad, chrome-plated bores, Schnabel fore-end, 10mm rib, an overall length of 46 inches, an unloaded weight of 7.75 lbs, and a 2 round capacity.