The 28 gauge shotgun barrel conversion kit allows you to turn your Serpent Arms 45 caliber Air Rifle into a 28 gauge Air Shotgun. The conversion kit includes a smooth bore shotgun barrel with handguard and one modified choke.
 
*Simply unscrew the set screw hidden under front picatinny rail bolt, Unscrew rifled barrel assembly, screw on shotgun barrel assembly, tighten set screw, and reattach front picatinny bolt. To detach valve stem collar, take off air tank, unscrew valve stem collar off the small stem of air tank valve, and put the air tank back onto the airgun.
 
*PLEASE NOTE: Watch the video for full instructions on how to exchange barrels.