The Luth-AR 16" Lightweight Complete Upper Barrel Assembly Starts with a 16", 223 Remington Lightweight barrel made from 4140 Chrome Molly 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"
• BAA3-L16 – 16 Light Weight Barrel"
• FTT-EA1 – A3 Upper Receiver Assembled
• BC-A-223 – Fully Assembled Bolt Carrier – .223
• UR-19 — Charging Handle