Rock River Arms has been making AR-15s for civilians and law enforcement use for a long time, and is one of the more recognizable names in the industry.

The Rock River Arms Lower Parts Kit is all you need to build up your stripped AR-15 lower receiver.

If have any inkling of mechanical skill, or even if you've built model airplanes in the past, building up your stripped lower receiver is a simple task! Feel free to call if you have any questions!