UTG Pro AR-15 Pistol Buffer Tube Kit – Buffer, Springs, and More


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AT3™ M-LOK Polymer Rail Section and QD Sling Mount Combo


AR-15 Pistol Buffer Tube Kit

The UTG AR-15 Pistol Buffer Tube Kit comes with everything you need to complete the recoil system of your AR pistol. While this kit doesn’t accept buttstocks or braces, it does keep short barreled AR platforms in compliance with recent ATF rulings. This kit includes a buffer tube, buffer and spring, as well as a castle nut and QD end plate. The end plate is especially useful for attaching a sling to stabilize your firearm.



  • Fit: AR-15
  • Buffer Weight: 3.0 oz
  • Buffer Tube Finish: Anodized Black
  • Buffer Tube Material: 6061-T6 Aluminum
  • Buffer Tube Weight 4.0 oz
  • Buffer Tube Outer Diameter 1.2
  • Buffer Tube: Length: 7.25″

Have Questions About this Product?

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

UTG Lifetime Warranty

Leapers, Inc. warrants that all UTG & UTG PRO products conform to published specifications and are free from defects in material and workmanship. We will repair or replace defective products for the duration of the product’s life span. Our dedicated in-house customer service professionals will provide the best-in-class UTG experience.

Please note that this warranty does not extend to products disassembled, damaged from misuse, accidental impact, negligence, natural disasters/accidents, or unauthorized repair or alteration.

Warranty Instructions

  • Go to Warranty Request under Customer Service on our website.
  • Fill out the necessary contact and product information to the best of your knowledge.
  • A purchase receipt is required for all warranty cases and needs to be attached at the end of the form.
  • Finalize the case by submitting the information to us.
  • You will hear from one of our customer service reps within 24-48 hours and we will provide you with additional information and instructions.
  • No return will be accepted without an RA#.
  • For any questions regarding the process, please feel free to call at (734)542-1500.

Disclaimer: Manufacturer’s warranty is subject to change without prior notice.