No MIM here. Luth-AR produces only the best quality, American made parts for the AR platform. All of the parts included in their lower parts kits are investment cast or otherwise machined to Mil-Spec drawings, materials and heat treat. Springs are a combination of 17-4 SST and various Mil-Spec steel wire are used in all of their springs with certification.
Features :
Features :
- Fits AR-15
- Builder Lower Parts Kit
- No Fire Control/Grip
