A Gwyn & Campbell Carbine, Serial No. 2279, circa 1863-1864

.52 caliber, round barrel with octagonal breech section, fore and rear-sights, inspector's mark W on left-side, marked PT and 2279 on bottom flat, A&CO on neighboring flat, color case-hardened lock-plate marked GWYN & CAMPBELL / PATENT / 1862 / HAMILTON. O., color case-hardened receiver marked UNION / RIFLE at right-side of breech, stock marked with inspector's cartouche WHR on left-side and at comb

various sub-inspector markings throughout, color-hardened lever and trigger, blued butt-plate



19 7/8-inch barrel



Edward Gwyn (1816 - Rotterdam, 1879)



Abner C. Campbell (1824 - 1868)



Approximately 8,200 produced.