.54 caliber, 22.5" round barrel, NSN. Blued and color casehardened finish, brass triggerguard, buttplate and barrel band, walnut stock. Single shot breechloading percussion carbine, with folding ladder rear sight, dovetailed pinched sharks fin front sight and saddle bar and ring opposite lock. Top of breech lever marked in three lines PATD BY/B.F. JOSLYN/AUG. 23, 1855. Lock marked in two lines A.H. WATERS & CO/MILBURY MASS. Single brass barrel band marked T5, breech block marked with assembly mark W3 on the left side. Only 1,500 of these scarce and early production M1855 Joslyn breechloading percussion carbines were produced ca 1855-1856, with 1,200 going to the US government. A very scarce per-Civil War cavalry carbine. {ANTIQUE}