WHAT DOES RAREBREED TRIGGERS MEAN?

Picture of the round that didn't go off and shows indication of hammer strike.  Yet again I've attempted numerous unique ammo makes.  a : marked by abnormal good quality, advantage, or enchantment : distinctive b : superlative or Serious of its varietyEvidently Rarebreed is not going to get duty any time soon they usually Assume consumers are Sil