DESCRIPTION: This is my ar 15 pistol I milled from an 80% arms lower receiver using their easy jig and a cheap router.http://www.80percentarms.com/ http://www.kakindustry.com/sig-sb15-pistol-buffer-tube-kit http://www.magpul.com/ https://www.sigsauer.com/SigStore/ShowProductDetails.aspx?productid=552 Check out my Facebook page https://www.facebook.com/Sammyboy15x