Barrel can be cut to length for for Crosman 1377c series models. Barrels are rifled, and have a flattened end for the front sight, flattened area in the top for a rear sight (on other models), and is dimpled in the center to line up your barrel band. These have an outer diameter of 7/16″.
.177 caliber Rifled barrels 7″ to 24″, cut, blued, and crowned
Be sure to include your cut size (length in inches) in your order notes at checkout.