The Deluxe Rifled Model Covert-A-Pell kit has a rifled brass adaptor tube and six cartridges. This kit is available in standard barrel lengths from 1″ to 8-3/8″, in the following calibers: .380, 9mm., .38 Special, .357 Mag., .44 Mag., .45 ACP, and .45 LC. Trajectory of the Deluxe Rifled kit will average around 2″ low of aim point with groups of 1″ or less at 15-20 feet.