That's a sword!Tactical US WWII Bayonet M1 Garand Rifle Knife 21.5 Inch full tang US SELLER! | eBay
M1 Garand Bayonet. This bayonet is well made and full tang, crafted from real surgical steel. Our bayonets feature an unlocking button to remove this razor sharp beauty from the green hard sheath.www.ebay.com