Tag: 80 lower parts kit

80 lower parts kit

The Fundamentals of Building a Lower Parts Kit

The great thing about the AR-15 is its modular design. For over 50 years, thousands of parts have come up to optimize these amazing rifles to the builder’s desires. Well that’s great for those of us who know how to build an AR-15 from scratch using completely custom parts. For first time builders though, the building process can be a…