This is a Thompson Center Arms .50 caliber Black Diamond Express in-line rifle. It has a tapered round 1" to 7/8" x 23-1/2" blued barrel in good condition, having a few scratches but no corrosion. The bore has scattered pitting throughout but the rifling is still present. The barrel has a 1:28 twist and is mounted with a Williams adjustable rear sight and bead front sight. The Real Tree Hardwoods camo stock has checkering at the wrist and forend, a 1" rubber recoil pad and sling swivel studs. The firing mechanism is drilled and tapped for scope blocks and is set up for the #11 percussion cap and has an outside safety. There is some finish wear in front of the action, but no corrosion. Length of pull is 14-1/4", overall length is 42", and weight is 6.2 lbs. Our stock number is #P-90-60. Willing to ship anywhere in the US, buyer pays freight and insurance.