Black Rifle Depot

AR 15 Carbine Buffer Tube Kit

(24 reviews) Write a Review
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MSRP: $39.95
— You save $15.00


AR 15 Carbine Buffer Tube Kit

The AR 15 Carbine Buffer Tube Kit is an impeccable solution for completing your lower receiver with both efficiency and economy in mind! Crafted with lightweight and resilient 6061-T6 aluminum, the 6-position receiver extension is designed to MIL-SPEC dimensions, making it compatible with a diverse range of aftermarket stocks. This kit is not just about compatibility and budget-friendliness; it's about reliable performance and durability. It features a coated carbine spring and a 3oz buffer to assure smooth and dependable operation. The precision in design and robustness in build ensure long-lasting functionality and resilience to wear and tear, making it an essential component in your AR 15 build project.


  • 6-position 6061-T6 Aluminum Receiver Extension
  • 3 oz Buffer (Colors Vary)
  • Castle Nut & End Plate
  • Carbine Spring
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Warranty Information

Limited Lifetime Warranty *Warranty does not cover use with 80% lower.
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24 Reviews

  • 5
    AR buffer tube was a good deal couldn't beat the price

    Posted by Rusty schakleferd on Feb 17th 2024

    Really good quality and really low price

  • 5

    Posted by Randy P on Feb 10th 2023

    Works great, reasonable pricing, would buy again without hesitation.

  • 5
    Very nice

    Posted by Joseph C on Jan 7th 2023

    Really fast shipping to Wisconsin, and a very nice product. I wouldn't hesitate to order from here again

  • 5

    Posted by Timothy Jay Reid on Feb 13th 2022

    Worked perfectly

  • 5
    Great product

    Posted by Joe on Sep 1st 2021

    Great product, just like everything I get from Black Rifle Depot.

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Explore Black Rifle Depot's impressive selection of AR15 parts and AR15 parts kits, all available at discounted prices. Whether you want to enhance your current setup or embark on a new build, they offer a wide range of high-quality components to meet your needs. With their affordable prices, you can upgrade your AR15 without stretching your budget. Step into the world of Black Rifle Depot and discover how you can elevate your AR15 experience.