Description
Complete AR-15 build kit from Luth-AR pairing a 20″ fluted 416 stainless “Bull Barrel” upper with a KeyMod free-float handguard and fixed MBA-1 buttstock. Includes a fully assembled upper receiver and complete lower parts kit — everything needed to finish an AR-15 rifle except the stripped lower receiver, which ships separately per federal regulations.
- Barrel Length : 20″
- Caliber : .223 Remington/5.56 NATO
- Barrel Material : 416 Stainless Steel, Fluted
- Handguard : 15″ KeyMod Free-Float
- Stock : Fixed MBA-1
- Gas System : Rifle-Length
- Included : Complete upper assembly + lower parts kit (lower receiver not included)









