All second hand guns carry a full 6 months warranty for piece of mind, this covers all mechanical aspects of the gun, it will not cover physical damage to the gun if signs are shown the gun has been dropped, stocks are not covered under the warranty. From the measurements taken, this shotgun has probably started its life with 32″ barrels, but as of now is at 29.5″ in length, the choke is fixed and is True Cylinder in both barrels. A very nice clean gun, Well worth a look for the price. Cannot find any reference to a Henry A Murton Ltd in our trade directories, nor much information on the world wide web, It is engraved with a number of different references to Henry.A.Murton on its Boxlock and barrel rib. 20140909_111439_Android.