Free Standard Shipping on orders $199 or more


Radical Firearms 16" 300 AAC Comlpete Upper (Special Purchase)


    • 16" HBAR Melonite Barrel
    • 15" FCR Handgurad
    • BCG and Charging Handle included
    • 4150V Chrome Moly
    • 1 in 8" twist rate
    • 300 AAC BLACKOUT Chamber
    • 5/8x24 Thread Pitch w/ At Flash Hider
    • HPT/MPI
    • M4 Feed ramps
    • Low Profile Micro Gas Block
    • Stainless pistol-length gas system (this will cycle subsonic loads)
    • Direct Gas Impingement
    • Mil-spec A2 Flash Hider
    • Integral FCR Rail for Mounting Lights, Lasers, Bipods & Sights
    • Forged Upper Receiver with Forward Assist, Shell Deflector
  • Manufacturer Part Number: None

    No Additional Information Provided
  • The MSR Arms Advisor articles are intended to answer some of the most common shooter questions and assist our customers in making the best purchasing decision possible.
  • Sorry, no media content is current available for this product.
  • No questions have been submitted regarding this product. If you have a question regarding this, or any of our other products, please submit them by emailing We will return your email promptly and post both the question and answer here for our other customers to view. Remember, there are no dumb questions... Thank you, MSR Arms!

Related Items

Enhance your inbox!

Sign up for our newsletter and receive exclusive discounts, exciting new product information, useful pro tips and more! We NEVER share your information.