Suppose to be a drop in working piece just like my other drop in cassette trigger. But immediately had issues with it firing a round then not clambering another and thats with me having a geissele automatic buffer spring, while trying h2 Shaker buffer weight and h3 Shaker buffer weight, as well as making sure nothing was going on with the frt and it seemed fine so im not sure what the hell to do because the troubleshooting video does not say shit about anything other the obvious that I figured o...