The Luth-AR 24" Fluted Bull Barrel Complete Upper Barrel Assembly Starts with a 24", .223 caliber fluted bull barrel made from 416 SST with a 1-9" twist mated to a A3 Flattop receiver which includes a bolt carrier, charging handle, forward assist and ejection port cover. The upper is then topped off with a lo-profile gas system and an ergonomic 15" Palm Handguard with KeyMod slots and a Picatinny top-rail.

• HG-V-15K – Palm Handguard – Vented 15? KeyMod with Barrel Nut
• BL-B24FT – 24? Bull Barrel, Fluted, Threaded 416 SST
• FTT-EA1 – A3 Upper Receiver Assembled
• BC-A-223 – Fully Assembled Bolt Carrier – .223
• UR-19 — Charging Handle