Luth-AR M4 SOCOM Complete AR-15 Upper Receiver - 5.56 - 14.5" - Chrome Lined

The Luth-AR 14.5" M4 SOCOM profile complete upper is a ready-to-build 5.56 AR-15 upper with a chrome lined barrel, an F-marked front sight base, and a 2-piece handguard. It pairs the barrel with an A3 flat-top upper receiver, a chrome lined bolt carrier group, and a 7075-charging handle.

Features:

• 14.5" M4 SOCOM profile barrel, 5.56mm, 1:7 right hand twist
• 4150 CMV steel, chrome lined bore, 6 lands and grooves, button broached, M4 feed ramp
• F-marked front sight base, .750" gas block journal, carbine gas tube
• 1/2x28 threaded muzzle with an A2 flash hider
• A3 flat-top upper receiver with forward assist and ejection port cover, 7075-T6 forging, black hard coat anodized
• Chrome lined bolt carrier group, Carpenter 158 bolt, 8620 carrier, manganese phosphate
• 7075 aluminum charging handle
• 2-piece CAR style handguard

The SOCOM profile barrel is chrome lined for durability, and the 1:7 twist is optimized for stabilizing a wide range of bullet weights. The bolt is Carpenter 158 steel with an Army spec heat treatment, and the 8620 carrier is chrome lined with a manganese phosphate finish.

Luth-AR builds AR-15 and .308 components in America for builders who want classic parts with modern performance.