UTG A2 Fixed AR 15 Rifle Stock Assembly – All Parts Included – Buffer, Tube, Springs, & More

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AT3™ Pro-Builder™ AR-15 Lower Parts Kit - No Grip or Trigger Assembly

AT3™ Pro-Builder™ AR-15 Lower Parts Kit - No Grip or Trigger Assembly


UTG Super Duty Bi-pod with QD Lever Mount, Height 6.0"- 8.5"

UTG Super Duty Bi-pod with QD Lever Mount, Height 6.0"- 8.5"


Highly Recommended Rock Solid Fixed Stock – Tough Finish, Easy to Install

This is a complete kit that includes a 4.8-ounce buffer, action spring, receiver extension, stock, butt plate, stock spacer and stock screw so all you need to do is install it on your receiver. The back end of the stock has a pocket opening for a cleaning kit, small parts and accessories for your AR-15 rifle.


  • Gen AR-15 Standard A2 Butt Stock Assembly
  • Stock Molded from Impact Resistant Advanced Polymer
  • Storage Pocket for Cleaning Kit, Small Parts, and Other Accessories


  • A2 Extension Tube
  • Recoil Spring
  • Buffer Assembly
  • Stock Spacer and Screw


  • Material: Aluminum/Polymer
  • Height: 10.6″
  • Weight: 25.0 oz
  • Color: Black

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.

Customer Reviews

Based on 34 reviews
Great quality

Everything fits great on my Aero lower. The quality is on the spot. Highly recommend.

Artem Bychkov
A decent stock!

Bought it for my second build - 7.62x39 AR - for more classic looks and better recoil management. Quality is solid!

Thanks for sharing your feedback! We're glad you're satisfied with your purchase. Cheers!

Jeff Sacco
Great Stock.

I installed this stock on an ar build-I wanted old classic look and boy this did the job. Easy to install- took 10-minutes

Don Cheney

Fit like a charm and the price was right.

Thanks for sharing your feedback, Don. We're glad you're satisfied with your purchase. Cheers!

roy duke
a2 stock

Fit and finish very good. Everything ok. Especially pleased with the support from AT3 Tactical. Well done!

Thank you for taking the time to leave a positive review for our UTG A2 Fixed AR 15 Rifle Stock Assembly. We're glad to hear that you are satisfied with the fit and finish, and that everything was in perfect condition. We strive to provide excellent customer service and are happy to know that you had a positive experience with AT3 Tactical. Thank you for choosing our product and for your support.