Maybe yall can help me out. I have Geissele SSA triggers in two of my AR's now. One was purchased used on this site from a member and the one I most recently purchased was on eBay from a seller I frequently deal with and has 100% positive feedback. Initially I had no reason to question the authenticity of either trigger. They feel identical when pulled. One obliviously was used and came in a zip lock bag and the one off ebay came just like it would from Geissele with the instructions, slave pin, and grease vial. However they have a few differences in appearance. The first one I bought on here has Geissele printed on the rear of the hammer and the finish is almost a dark plum looking color. The face of the hammer also has a nice polish(may have been done by the previous owner but I dont know). The second one has a darker black finish, hammer doesn't say Geissele, and doesn't have a polished hammer face. Any ideas? or has Geissele just changed some of its processes?