RIA 1918 bayonet Model 1905 bayonet made by Rock Island Arsenal, often cut down to 10 inches during WWII. These originally used canvas/leather scabbards (like the M3) but could be re-fitted with newer fiberglass M7 or M8 scabbards, especially later in their service life. So, an RIA 1918 bayonet with an M7 scabbard is usually a WWII-era combination where a surplus WWI blade got a newer scabbard for updated service. 

Key Characteristics:

• RIA 1918: Blade marked "RIA" (Rock Island Arsenal) and "1918," often a 16-inch blade cut down to 10 inches.
• Original Scabbards: Original WWI scabbards were leather/canvas (like the M3), but fiberglass M7/M8 scabbards became common replacements for M1905s later on, explains U.S. Militaria Forum. 

Marking & Authentication

• US – United States military property
• UFH – Union Fork & Hoe Company (Massachusetts)
• RIA flaming bomb – Rock Island Arsenal inspection mark
• 1918 – Year of arsenal inspection/acceptance

• Blade retains original finish with age-related patina
• No heavy grinding, polishing, or modern sharpening
• No visible cracks or major edge damage
• Handle and fittings solid and intact
• Scabbard is structurally sound with wear appropriate to age

This bayonet presents exactly as a well-preserved service piece should.

Important Notice

This item is sold strictly as a historical military collectible. Buyer is responsible for ensuring compliance with all local, state, and federal laws regarding ownership.