Luth-AR LRPK-1 Lower Receiver Parts Kit AR-15 5.56 NATO, Black - LRPK-1

The Luth-AR LRPK-1 is a complete lower receiver parts kit for AR-15 platforms in 5.56 NATO/.223 Rem caliber. This kit includes all necessary components to assemble a functional lower receiver. Finished in black, it measures 7.8" x 5.5" x 2.7" and is designed for semi-automatic rifle builds.