Luth-AR LRPK-BLDR-308 Lower Parts Kit Builder
Complete 308 lower parts kit for AR10 platform builds. Investment-cast and machined components meet Mil-Spec standards. American-made quality without MIM parts.
Premium 308 Lower Parts Kit for AR10 Builds
Luth-AR's Lower Parts Kit Builder provides everything you need to complete your 308 AR10 lower receiver with confidence. This is American manufacturing done right—no MIM (metal injection molding) shortcuts here.
Quality Construction
Investment Cast and Machined Excellence
- All components are investment cast or precision machined to Mil-Spec drawings
- Materials and heat treatment meet military specifications
- Springs combine 17-4 stainless steel and certified Mil-Spec steel wire
- Each spring is certified for reliability and longevity
What You Get
This builder kit includes all the small parts necessary to complete your 308 lower receiver, allowing you to pair it with your choice of upper assembly. Whether you're building a precision rifle, a hunting platform, or a long-range competitor, these components provide the foundation for a reliable firearm.
Why It Matters
Luth-AR's commitment to American manufacturing and Mil-Spec quality means your lower assembly will function reliably for years of shooting. By eliminating MIM parts and using proper investment casting and machining, you get parts that hold tolerances and withstand the pressures of 308 Winchester ammunition.
Perfect for builders who demand quality in every component.
Features
- fits 308 ar
- builder lower parts kit
- no fire control/grip
