12" choked Lothar Walther Barrel .177 caliber Fits AirForce Talon, Talon SS & Condor guns Barrel switch is quick & easy...about 5 minutes! Velocities will decrease when attached to the Talon & Condor Extremely accurate! Can be used with the AirForce end cap (not included) on the Condor, which strips away turbulent air for a quieter report