細節
AN UNUSUAL F. GREY 1865 PATENT 12-BORE HAMMER GUN BY WILLIAM MOORE & GREY, NO. 2320
Incorporating F. H. Grey's enclosed firing-pin and external hammer patent No. 2743 of 24th. October 1865, the external dolphin hammers of pin-fire form, the gun 'Altered To Breech Loader & Rebored By William Moore & Grey', Jones patent rotary-underlever, full bold foliate-scroll engraving, boldly-figured stock with extension, the bold damascus barrels with game-rib
Weight 6lb. 13oz., 14 3/8in. pull, 29in. barrels, proof exemption