UTG Pro Mil-Spec AR-15 Buffer Tube 6-Position Receiver Extension
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- Free standard shipping on orders $139+ details
- 90-day no-hassle returns policy
- Backed by the UTG Lifetime Warranty! what it covers
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From orders that included this itemProduct description
Superior Quality Mil-Spec Buffer Tube – Unbeatable Value
The UTG Pro 6-position Mil-Spec receiver extension is precision machined from 6061 T6 aluminum forgings to true Mil-Spec dimensions. Provides a solid fit for with most aftermarket buttstocks.
Specifications
- Finish: Anodized Black, or FDE Cerakote
- Material: 6061-T6 Aluminum
- Weight 5.44 oz
- Platform: AR-15 Carbine
- Outer Diameter 1.15
- Positions: 6
- Dimensions 7.25″ L
Not sure if you need Mil-spec or commercial buffer tube? The below image shows the difference in dimensions

All 2 options on this page
Customer reviews 43
AT3 Tactical · Thank you for sharing your experience with our UTG Pro Mil-Spec AR 15 Buffer Tube. We're glad to hear it worked well for your 9mm PCC and that our customer service team was able to assist you in finding the right part. We appreciate your business and hope to see you again in the future.
AT3 Tactical · Thank you for leaving a review! We are glad to hear that you are satisfied with your purchase of the UTG Pro Mil-Spec AR 15 Buffer Tube. We always strive to provide practical and high-quality products at affordable prices. Thank you for choosing us and we hope to serve you again in the future.
AT3 Tactical · Thanks for taking the time to share your feedback. We're glad we are satisfied with your purchase!
AT3 Tactical · Thank you for the review. We appreciate it.
AT3 Tactical · Thanks for sharing your feedback! We're glad you're satisfied with your purchase.
AT3 Tactical · Thanks for sharing your feedback! We're glad you're satisfied with your purchase.
I am liking this receiver extension so far. I ordered the FDE cerakote version. It looks nice and it fit well. Only reason for 4/5 stars is there was no wet bar or jacuzzi tub or def 5/5
Thanks AT3
AT3 Tactical · Thanks for sharing your feedback! We're glad you're satisfied with your purchase.
Questions & Answers
No questions yet. Ask about fit, install or compatibility and our team answers within a business day.
Warranty & returns
Backed by the UTG Lifetime Warranty!
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.
90-day no-hassle returns
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.
















