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Phase 5 (OMR) Oversized Magazine Release (Options)

  • The Phase 5 OMR (Oversized Magazine Release) is a drop-in two-piece assembly that replaces the Mil-Spec magazine release button. Installation is easy and requires no gunsmithing. Both the OMR button and paddle are machined from 6061-T6 billet aluminum for a lightweight, strong design.



    - Larger contact surface than a Mil-Spec magazine release button

    - Ergonomic pocket on surface of paddle for your finger

    - CNC machined from lightweight 6061-T6 billet aluminum for strength

    - Compatible with Extended Bolt Releases

    - Compatible with Anti rotation trigger/hammer pin sets

    - Available in different anodized color finishes


    Fits AR 5.56/.223 and 7.62/.308 receivers.


    Proudly made in the U.S.A., with U.S.A. sourced material.


    Package includes:




    -Hex key

  • Manufacturer Part Number: OMR

    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.
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  • 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!

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