Product Code: 5D-18-110-308-P-15ML

18" AR-308 Upper - Parkerized SOCOM Barrel, 1:10 Twist, 15" M-LOK Rail

Current Stock:

These 18" AR upper receivers are built in-house by expert builders with over 40 years of experience. Each barrel is visually inspected and cleaned prior to assembly. All barrel nuts are torqued to proper specifications per Mil-Spec standards and practices. Every compelted receiver is QC inspected and headspace is checked before shipment. As completed 18" AR 308 upper receiver assemblies are not considered firearms, no FFL is requred. Ships directly to your home. 


  • Barrel length - 18"
  • Twist Rate - 1:10
  • Caliber - .308 WIN or 7.62 x51 NATO
  • Barrel Profile - SOCOM
  • Barrel Type - 4150 Chrome Moly Vanadium - Parkerized Finish
  • Gas System - Mid-Length, .750" diameter steel micro gas block
  • Handguard - 15" M-LOK
  • Forward Assist and Dust Cover installed
  • Muzzle Device - A2 Style Birdcade or Compact Muzzle Brake
  • BCG/Charging Handle not included - Selection Options to Add
  • MIL-A-8625 Type III Class 2 Black Hardcoat Anodized

*Buyer is responsible for configuring finished rifle build in accordance with their local and state laws.