This factory manufactured 26" vent rib barrel with a "Imp Cyl" Rem-choke choke tube and a bright, very good bore is for the Remington 870 Express slide action shotgun in 12 gauge with a 2 3/4" or 3" chamber. The overall condition is very good retaining most of its original blue matte finish with a few specks of light surface rust and honest wear.  (file photos)

Note: Remington model 870 Express slide action shotguns with the following serial numbers have been found with this part:

A Prefix:

B Prefix: B466464M & B624338M