• Sign In
    • |
    • Track Your Order
    • Email Sign Up
    0 0 items
    Your cart is empty

      Find My Order

      This site uses cookies to enhance your browsing experience. By using our website, you consent to our use of cookies, Privacy Policy, and Terms & Conditions.

      1. Home
      3. AR-15
      5. Upper Receivers
      4

      AR-15 Upper Receivers

      Back

      AR-15

      • Barreled Uppers

      Filter

      4 Products

      Brand

      • Radical Firearms
      • Sons of Liberty Gun Works

      Price

      $1,000.00$299.99

      Color

      • Black

      Attachment System

      • M-LOK

      Barrel Length

      • 5.0"
      • 5.2"
      • 5.5"
      • 6.5"
      • 7"
      • 7.75"
      • 8.0"
      • 8.3"
      • 8.5"
      • 9"
      • 10"
      • 10.3"
      • 10.5"
      • 11"
      • 11.5"
      • 12"
      • 12.5"
      • 13"
      • 13.7"
      • 13.9"
      • 14.5"
      • 16"
      • 16.1"
      • 16.25"
      • 16.5"
      • 18"
      • 19"
      • 21"
      • 24"
      See More See Less

      Caliber or Gauge

      • 300 Blackout

      Gas System Length

      • Pistol
      • false
      • true

      Customer Rating

        • false

        Thread Pattern

        • 5/8 X 24
        Filtered By: 8.5"

        In Stock

        Sons of Liberty Gun Works M4-L89 300 Blackout Barreled Upper Receiver - 8.5"

        View Details
        $926.25

        In Stock

        Sons of Liberty Gun Works M4-L89 300 BLK Barreled Upper Receiver - 8.5"

        View Details
        $1,000.00

        Out of Stock

        Sons of Liberty Gun Works East India 300 Blackout Barreled Upper Receiver - 8.5"

        View Details
        $475.00
        No Longer Available

        Radical Firearms 8.5" 300 Blackout 1:8 Pistol Length Barreled Upper - 7" RPR Handguard

        View Details
        FAQ
          • Contact Us
          • FAQ
          • Return Policy
          • Customer Support
          • Bonus Bucks
          • Privacy Policy
          • In Store Pickup
          • My Account
          • Shooting Safety Rules
          • Free Targets
          • Export and Shipping restrictions
          • Dealer Programs
          • Affiliate Program
          • Military And LE Pricing
          • Gov. Acquisition Form
          • Agency Universal T&E
          • Agency Trade-Ins
          • Sponsorships
          • GLOCK Blue Label
          • Duty Ready Cadet Program
          • Agency Demo Days
          • PA Optics Premier Savings
          • SMS Club
          • Financing
          • About Us
          • Corporate Website
          • Executive Team
          • Career Opportunities
          • Ratings and Reviews
          • News and Press Releases
          • Prospective Suppliers
          • Patents
          • Blog
          • Online Gun Store
          • NTOA
          • Email Me When In Stock
          • Government Division
          • Coupons & Exclusions
          • Promos And Special Offers
        Email Signup
        info@primaryarms.com | 713-344-9600
        Cage Code: 87A80
        © 2025 Primary Arms| Terms & Conditions | Do Not Sell My Personal Information