80 Lower specialists using aircraft aluminum billet, subtractive manufacturing with new Haas 500 machines. 80 Percent Lower for a AR 15 as well as an 80 Lower Jig are the core of our gun parts. We also handle tooling for Aerospace parts and we machine everything metal.Keywords: 80 Lower and Jig Combo, 80 Lower Jig, 80 Percent Lower, 80 Lower Receiv...