This listing is for an antique US Civil War era cast iron socket bayonet for a rifle, measuring about 22.5 inches long. It is offered in used condition, which is important for collectors who want an older military item with age and wear consistent with prior use. Free shipping is included, which may help when comparing similar antique bayonets. As a socket bayonet, this piece is most relevant to buyers interested in Civil War militaria, edged weapon collectibles, or historical rifle accessories. Because age, markings, fit, and overall preservation can affect collecting interest, check the listing for full details before purchase. Antique US Civil War Era 22.5" Long Cast Iron Socket Bayonet for Rifle - 670 B. Condition: Used, Made in United States. Listed at 206.25 USD. Antique US Civil War Era Cast Iron Socket Bayonet for Rifle - Stamped 670 B. C ondition Scale: 1-5 (Poor-Excellent). Heavy Wear and Rust from Age.