Hey, did you know… AR15 lower parts kits aren’t just for AR-15 Builders? Actually, an entire lower parts kit probably isn’t for you either. Be selective about your AR15 ambi safety selector or bolt catch design, but also be mindful of it’s purpose. Today, we cover all the parts you need to complete a lower or swap out parts on your existing lower; what they are; what they do…and the thousands of options out there.