RCBS Hand Held Case Neck Turner Quick Change Case HolderMany experienced reloaders and target shooters turn their case necks to help remove every variable from reloaded ammunition to help create the most repeatedly accurate ammunition possible. By ensuring that each case neck has consistent neck thickness reloaders are able to ensure that seated bullets have the same amount of tension holding them in place so when the shot is fired the bullet will leave the case as evenly as possible resulting in a tighter