Product Code: UPPER-AR15-300-16-PK-15-FH

16" AR-15 Upper - 300 Blackout, Parkerized Barrel, 1:8 Twist, 15" M-LOK Rail


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These AR-15 .300 AAC Blackout 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 completed receiver is QC inspected and headspace is checked before shipment. As complete upper receiver assemblies are not considered firearms, no FFL is requred. This product ships directly to your home. 


  • Barrel length - 16"
  • Twist Rate - 1:8
  • Caliber - .300 AAC BLK
  • Barrel Profile - SOCOM
  • Barrel Type - 4150 Chrome Moly Vanadium - Parkerized Finish
  • Gas System - Mid-Length, .750" diameter steel micro gas block
  • Forged 7075-T6 Upper Receiver
  • Handguard - 15" M-LOK
  • Forward Assist and Dust Cover installed
  • Muzzle Device - A2 Style Birdcade or Compact Muzzle Brake
  • Bolt Carrier Group & Charging Handle included 
  • 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.