WHAT DOES HENRY LEVER ACTION REPLACEMENT PARTS MEAN?

Are unable to Evaluate them to another brand names talked about but I can vouch for Henry's high quality and customer services. I'm more than happy with my Henry and I will purchase Henry all over again.I receive the best teams out of 158xtps and 180grain Solid masses in my carbine. The 125xtps pack a great punch with in close proximity to max w296