Luth-AR 11.5" Lightweight Barrel Complete Upper Receiver,

The Luth-AR 11.5" Lightweight Complete Upper Barrel Assembly starts with a Luth-AR 11.5"" 5.56mm Lightweight barrel made from 4150 Chrome Molly with a 1-9" twist mated to a Luth-AR A3 Flattop receiver which includes a Luth-AR bolt carrier" charging handle" forward assist and ejection port cover. The upper is then topped off with a Luth-AR lo-profile gas system and the Luth-AR ergonomic 9" Palm Handguard(R) with KeyMod slots and a Picatinny top-rail.

• Available in 11.5″
• 5.56 mm
• 4150 Chrome Moly
• Threaded Barrel — Thread Pitch 1/2 x 28
• Gas Block Diameter .750
• Gas Tube Length — Carbine
• 1-9 RH Barrel Twist
• 6 Lands and Groves
• M4 Feed Ramp
• Button Broached