The Luth-AR Builder lower parts kit supplies the lower receiver parts for a .308 AR build, without the fire control group or grip so you can pick your own. Luth-AR uses no MIM parts; everything is investment cast or machined to mil-spec drawings, materials and heat treat, and the springs are certified 17-4 stainless or mil-spec steel wire.
- Type: Builder lower parts kit
- Fits: .308 AR (AR-10 pattern)
- Not included: Fire control group, pistol grip
- Construction: Investment cast or machined to mil-spec, no MIM
- Springs: 17-4 stainless and mil-spec steel wire
- Made in the USA
- Manufacturer part #: LRPK-BLDR-308
