U.S. M5A1 Bayonet Value Guide

The U.S. M5A1 Bayonet is a significant Cold War-era collectible, serving as the final standardized bayonet produced for the legendary M1 Garand rifle. Introduced in 1953, it is prized by militaria collectors for its unique stud fastener design which replaced the traditional barrel ring to allow for easier operation while wearing heavy gloves.

What Is U.S. M5A1 Bayonet Worth?

The typical price range for U.S. M5A1 Bayonet is $45 - $50 based on recent sales. However, values can vary depending on the item's condition, rarity, and other factors such as:

• Condition of the parkerized finish, with original, non-pitted steel surfaces commanding the full $50 market value.
• Presence and condition of the correct M8A1 scabbard, which significantly impacts the desirability for complete set collectors.
• Manufacturer rarity, as certain contractors produced fewer units during the 1953-1960 production run.
• Mechanical functionality of the release button and the integrity of the plastic grip scales.

How to Identify U.S. M5A1 Bayonet?

• Look for the 'U.S. M5A1' stamping on the crossguard along with the manufacturer's initials such as MIL-PAR, J&D Tool Co., or Imperial.
• Verify the presence of the spring-loaded release lever and the specific attachment stud designed to fit the M1 Garand gas cylinder plug.
• Check for the black molded plastic grips which feature a checkered pattern and are secured by two screws.
• Ensure the blade is a 6.75-inch spear point style with a dark phosphate (parkerized) finish rather than a polished or blued surface.

History of U.S. M5A1 Bayonet

Introduced in 1953 during the Korean War, the M5 series replaced previous M1 Garand bayonets. It features a unique stud fastener that fits into the gas cylinder plug of the rifle rather than a barrel ring, making it easier to handle with gloves on. The M5A1 was the final standardized version produced from the mid-1950s through the Vietnam era.