20ga. 62 cal. Hunting gun uses round ball or shot, 42" barrel octagon to round has front sight. All lock parts hardened, screws are fired blued and timed, 3.5 lb. trigger pull set up with agate stone has been sparked other wise new. Wt 8 lbs. Nicely colored and figured walnut stock, oil finished. This would make a great gun for hunting any thing up to deer size animals. It has a white-lightin vent linner . There were many wheellocks carried to America most notable the Mayflower gun carried by John Alden the 1st. person to step on land when the Mayflower landed. It shot game for the 1st. Thanksgiving. The 1st. wheellock was built in 1501 in Germany 129 yrs. before. the 1st. flintlock.