I usually inquire my Dad why He or Grandpa did not save the DA's box or two dummy shells for my assortment. We do have the proprietors manual. This was my Grandfather's only shotgun from 1961 until finally his death.Action: Semi Auto - Caliber: 50 BMG - Capability: 10 - Finish: Tan - Rail: 24 - Twist: 1:15 - Barrel Length: 29 - General Duration: fi