Nickel Palmer's Blazer barrel, brass with nickel plating. Pre 2k Blazer style breech. 12 inches in length. Has three punched wedgits. Can't tell ID of them easily either. ID is about .688 on the actual wedgits. End bore is .690. Likely actual bore is .690 aside from wedgits. Pre 2k has 2 and 3/8 inches of smaller ID at end of barrel to fit in breech. Nickel plating has chipping at end of barrel. Has dual spiral porting.