Check the listing for details. W. M. Moore & Co double barrel Percussion Muzzleloader / Blackpowder Locks. Condition: Used. Listed at 89.99 USD. Vintage W. M. Moore & Co double barrel Percussion Muzzleloader / Blackpowder Left and Right Locks. Since they are missing the hammers, I have no way to function test. These locks are smaller than other W. Moore locks that I have seen. Locks are missing hammers and hammer screws, but otherwise complete. Listing is for both locks pictured. These are great for replacement parts or projects. Free shipping! These will ship USPS. Ask questions if unsure as all sales are final.