Description
Luth-AR LRPK-BLDR Lower Parts Kit Builder is a .223 Rem/5.56 NATO AR lower parts kit intended for building. It is built from investment cast and other machined components to Mil-Spec drawings, materials, and heat treat. The kit uses springs made from 17-4 SST and various Mil-Spec steel wire, with certification noted. The included parts are intended for a lower receiver build and do not include a grip or trigger.
- No MIM construction noted.
- Components made to Mil-Spec drawings, materials, and heat treat.
- Springs use 17-4 SST and Mil-Spec steel wire, with certification noted.
- Builder format, includes lower parts without grip or trigger.
