LMT Carbine Receiver Extension (Buffer Tube) – LMP259A


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(5 customer reviews)

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LMT Carbine Receiver Extension (Buffer Tube) – LMP259A

The Lewis Machine and Tool AR-15 carbine buffer tube allows you to install your favorite adjustable stock to your AR-15.

This 6 position buffer tube is made from aluminum and features Mil-Spec dimensions for maximum compatibility with buttstocks. The durable, fine threads lock tight into your lower receiver and the extended lip adds strength to prevent carrier tilt. Pair this receiver extension with an Lewis Machine and Tool QD end plate and you have an extremely durable and functional set up.


  • Made from light weight and durable aluminum
  • 6 position adjustability
  • Mil-Spec dimensions for compatibility with your favorite carbine stock
  • For use with 5.56 carbine buffers and springs
  • Compatible with Mil-Spec lower receivers
  • Extended lip for added strength
  • Durable threads

5 reviews for LMT Carbine Receiver Extension (Buffer Tube) – LMP259A

  1. SCR71 (verified owner)

    Rooftop is my first choice for top brand parts like this LMT buffer tube. Thanks for a great buy.

  2. Lance K (verified owner)

    Parts were as specified on the website. FAST shipping and the “swag” was hilarious!

  3. Miguel Rodriguez (verified owner)

    Great buffer tube by lmt would definitely buy again

  4. Alejandro Pellon (verified owner)

    Authentic LMT part, excellent as always.

  5. dannyklug (verified owner)

    Great fit and finish.
    Great folks to deal with.

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