New BRN-180 lower receivers accept standard AR15 magazines and most mil-spec AR15 parts. They allow

New BRN-180 lower receivers accept standard AR15 magazines and most mil-spec AR15 parts. They allow customers to build complete firearms optimized for folding stocks or folding braces. Available in forged and billet versions with the forged replicating the appearance of the original AR-180 lower! Both available Feb 2020! $129.99-$149.99!