AT3 Tactical AR-15 Lower Build Kit

AT3 Tactical AR-15 Lower Build Kit – UTG Furniture

Features

Includes the parts needed to complete a stripped AR-15 lower receiver with UTG furniture
UTG Ultra Slim pistol grip and UTG Pro Ops Ready S4 stock give this kit a compact, no-bulk furniture setup
Includes mil-spec lower controls, fire control springs and pins, and lower receiver small parts
Carbine buffer assembly includes buffer tube, buffer spring, 3.0 oz carbine buffer, castle nut, and end plate
Good fit for builders who want a complete lower parts package with slim, practical furniture

The AT3 Tactical AR-15 Lower Build Kit with UTG Furniture gives you the parts needed to finish a stripped AR-15 lower receiver with a slim, practical furniture setup. It combines standard lower controls, fire control springs and pins, a carbine buffer assembly, STNGR trigger guard, UTG Ultra Slim pistol grip, and UTG Pro Ops Ready S4 stock for a straightforward general-purpose lower build.

Note: This kit is not assembled. Stripped lower receiver is not included.

Warranty Note: Curated by AT3 Tactical. Components in this kit are covered by each manufacturer’s own warranty — AT3’s warranty does not extend to or replace the warranties of the individual parts included. Warranty terms for some component brands may not yet be listed in the warranty tab; contact the manufacturer directly for in-depth and up to date coverage details.

Specifications

Brand: AT3 Tactical
Model: AR-15 Lower Build Kit – UTG Furniture
MPN: AT3-AR15-LWRBK-UTGF
Platform: AR-15
Control Type: Mil-Spec
Stock: UTG Pro AR-15 Ops Ready S4 Mil-Spec Stock
Grip: UTG Ultra Slim AR-15 Pistol Grip
Trigger Guard: STNGR Mil-Spec 7075 Trigger Guard Assembly
Buffer System: Carbine buffer assembly
Buffer Weight: 3.0 oz
Color: Black

What’s Included

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Backed by the AT3 Lifetime Warranty!

All AT3 Tactical Brand Products carry a lifetime warranty against manufacturer’s defects.

This includes AT3 Red Dot Sights, Handguards, Iron Sights, and any other product that carries the “AT3 Tactical” or “AT3™” name. For other brands (ex. Magpul or Troy), please refer to the manufacturer’s warranty policy.

In the event that your AT3™ product becomes unusable, we will repair or replace the product at no charge to you.

If we cannot repair your product, we will replace it with a product in perfect working order of equal or better physical condition. The warranty is fully transferable, but we may require information about the original purchase to validate the authenticity of the product.

If your product is in need of warranty service, please contact AT3 Tactical to start the process

Our contact info is available here. To expedite processing, please provide your order information and description of the defect.

Please note: The AT3 Lifetime Warranty does not cover loss, theft, intentional damage or cosmetic damage that doesn’t affect the performance of the product.

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.

SWARM Warranty

SWARM Warranty

STNGR USA products are warranted to the *original purchaser against any defects in materials and workmanship for the lifetime of the product. STNGR USA has sole discretion to determine manufacturer’s defects. The Swarm Warranty policy does not cover loss or theft. Cosmetic damage or changes that leave the product still in a functional condition, damage from improper use or intentional damages are also not covered by the warranty and will not be accepted. Items that have been modified or in any way altered from the original condition are not covered by the Swarm Warranty.

Eyewear lenses are fully covered by a 1 year scratch warranty. If you scratch or damage your lenses within 1 year of purchasing, STNGR will send you up to 1 pair of replacement lenses. This warranty only applies to the original purchase and not subsequent replacements. You also qualify for **20% off replacement lenses for life. Email support@stngrusa.com to receive your discount code.

Eyewear Lost & Broken Replacement Discount

Sometimes life happens. If you ever break or lose your sunglasses, no matter the reason, you’re covered with a hefty discount. Shoot STNGR an email at support@stngrusa.com and you’ll get you hooked up with an exclusive 30% discount on future replacements.

*The original purchaser may have purchased from any of the following sources: Directly from STNGR (stngrusa.com or stngredge.com) or from an authorized dealer, distributor, or retailer. The original purchaser may be asked to show proof of purchase.

**The 20% discount is subject to replacement lens availability.

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.

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