.52 RF. 22" barrel. SN: 6438. Blued barrel, color casehardened lock and hammer, blued iron furniture, walnut stock. Single shot, breechloading metallic cartridge cavalry carbine. Lock marked in three horizontal lines JOSLYN FIREARMS Co/STONINGTON, CONN./1864. Breechblock and breech tang both numbered 6438. Left of barrel breech with a FDL sub-inspection, the mark of civilian Ordnance Department inspector Frederick D Livingston. No cartouches are present on the flat opposite the lock. 2nd Model pull release breech latch as is standard on these later production guns, along with iron furniture including a single barrel band secured by a spring. Retains the original 1861 pattern leaf rear sight, iron blade front sight and saddle bar with ring. Roughly 12,500 of these 2nd Model (M1864) carbines were produced with 8,000 being acquired by the US Government, like this one, and the balance being sold commercially. A fine example of one of the interesting secondary carbines of the Civil War period.