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.
| UPC | 859992007654 |
|---|---|
| Manufacturer | Luth-AR |
| Manufacturer Part Number | LRPK-BLDR |
| Caliber/Gauge | |
| Product Type |
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