AR-15 80% Jig with Steel Inserts and Drilling Bits, Black

AR-15 80% Jig with Steel Inserts and Drilling Bits. AR 15 Jig will be the perfect tool for any professional or amateur gunsmith. This jig is compatible with AR-15 80% lower receivers to help you complete your very own lower! The high-quality US aluminum and steel used for the inserts makes this product guaranteed to last for countless lower receiver builds.