Great for the price - TRYBE Defense AR-15/AR-10/LR-308 Fire Control Group

Its a standard FCG that works on an AR-10. Its great because it reasonably priced. Its comparable if not exactly the same as any standard trigger parts for an AR. Only issue I didn't like is the that product comes in a small, thin ziplock like bag. There were a few holes in the bag where the spring or pins could easily fall out.