This Mossberg 940 Pro Waterfowl Snow Goose features a 3" chamber and includes three choke tubes (Extended Ported Modified, Improved Cylinder, and Full), the original box, and the owner's manual. Additional features include a manual safety, vent rib barrel, and a fiber-optic front sight. Purchase includes extra Hi-Viz fiber optics and stock spacers. Get the best bang for your buck when you get a Certified Used Firearm. When you see the Certified Used stamp on any of our firearms, you can be confident that you're getting exactly what you want - a gun only in very good to excellent condition and held to the highest quality standard. All Certified Used Guns come with a 'no questions asked' return policy.