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Here are some answers to Frequently Asked Questions:

  1. Do the handguards come with the barrel nut? 
    Yes, the handguards come with everything needed to install them including the barrel nut, hardware, rail and rail sections (if sections are indicated).
  2. Will the handguards work with a standard barrel nut?
    No, the handguards will only work with the barrel nut that is included.  They use a thread over style barrel nut, not the star-type barrel nut used with standard handguards and delta rings.
  3. Does the Radical Firearms Barrelled Upper Receiver Group come equipped with M4 ramps?
    Yes, it does.

If you have any other questions, please feel free to email us at