Quick view Aero Precision Aero Precision Gen 2, Aero Apar501302c Ar15 Lower Strp Fde Gen2 $155.00 $139.99 Aero's ar15 gen 2 stripped lower receiver is the perfect base for your custom ar15 build.Machined to mil-spec dimensions, lowers work with standard ar15 components and ensure the highest quality with a correct component interface.It features an... Compare Add to Cart