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AT3™ AT-15 Quad Rail Receiver Set – Anodized and Cerakote

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$225.24

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This item is regulated, therefore your entire order will be shipped to an FFL dealer of your choosing. After you place your order, we will contact you to finalize these details.

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Orders will Ship within 1 Business Day

Backed by the AT3 Lifetime Warranty!

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AT3 Tactical AR-15 Cerakote Quad Rail Receiver Set

Start your next AR build build with a rock solid foundation, and ready for your custom touch with Cerakote or anodized finish. The AT-15 Quad Rail Receiver Set includes our new AT-15 Lower Receiver with Enhanced Trigger Guard, Billet Upper Receiver, and Pro Quad Rail handguard. All you need to do is choose the color of the entire set, including our six Cerakote options, plus the length of the quad rail, and you’re well on your way to a high quality, custom AR-15 build.

Since this is a big bundle, we knock 10% off the total price of every part, so you’re saving money right off the bat. Plus, these parts have some unique features to give you a real advantage. The Pro Quad Rail features 4 QD sockets for sling attachment points, and it’s deeply skeletonized to have the lightest weight possible. The lower receiver also has a deep magwell flare, making reloads easier and faster to pull off.

To get your rifle together, start with a lower parts kit, a buffer kit, a barrel of your choice, bolt carrier group, and charging handle. And as always, the pistol grip and stock that fits you best. If you’re looking to save even more weight up front, be sure to check out the AT-15 M-LOK Receiver Set, with a modular M-LOK handguard instead. If you’re looking for more specific building needs, you can always choose a Stripped AT-15 Lower, or AT-15 Lower and Upper Set.

Durable Construction and Finishes

Forged 7075-T6 Aluminum construction for tried-and-true toughness that won’t let you down
Cerakote in FDE, ODG, Pink, Burnt Bronze, Tungsten, and Titanium, or a classic black anodized finish resist scratching and wear over time
Rigid 7075-T6 aluminum barrel nut provides the support your handguard needs for maintaining zero

Customizable with Cerakote

Compatible with all mil-spec AR-15 components and numerous upgrades like triggers, pistol grips, safety selectors, and more
Color coordinate your builds with AT3 parts – we use the same Cerakote colors for all finishes we offer on all AR parts
Attach any accessory you need with the AT3 Pro Quad Rail – Lights, Lasers, Grips, Bipods, and Backup Sights!

Available Finishes

Black: Type 3 Hardcoat Anodized
Flat Dark Earth: H-267 Magpul® Flat Dark Earth
OD Green: H-232 Magpul® OD Green
Pink: H-224 SIG™ Pink
Burnt Bronze: H-148 Burnt Bronze
Tungsten: H-237 Tungsten
Titanium: H-170 Titanium
Red: H-167 USMC Red – Coming Soon!

What’s Included

AT3 AT-15 Stripped Lower Receiver
AT3 Slick Side Upper Receiver
- Includes Black Dust Cover
AT3 Pro Quad Rail Handguard
- Barrel Nut
- Barrel Nut Wrench
AT3 Enhanced Trigger Guard

Specifications

Lower Receiver
- Platform: AR-15
- Material: Forged 7075-T6 Aluminum
- Markings: “Cal Multi”, Pictogram Safety
- Compatibility: Works with standard AR15 components and magazines
- Weight: 8.35oz
Upper Receiver
- Material: 6061-T6 billet aluminum
- Weight: 7.1 oz
- Feedramps: M4 Feedramps
Handguard
- Handguard Material: 6061-T6 Aluminum
- Handguard inside diameter: 1.35”
- Barrel Nut Material: 7075-T6 Aluminum
- Barrel nut inside diameter: 1.02” (compatible with barrels up to 1” diameter)
- Weight
  - 7″ Handguard – 9 oz
  - 9″ Handguard – 12 oz
  - 12.5″ Handguard – 15 oz
  - 15″ Handguard – 1 lbs 2oz
Trigger Guard
- Material: 6061-T6 Aluminum

FAQ

Is this lower Mil-Spec?

The AT-15 uses 7075-T6 aluminum construction, and is available in a type 3 hardcoat anodized finish, which are mil-spec. The AT-15 also accepts all mil-spec AR-15 components. Most triggers, pistol grips, lower parts, buffer tubes, and upper receivers will have no issue fitting into this receiver. With the Cerakote options, the thickness of finish in some areas may make the fit a bit tighter.

What is Cerakote?

Cerakote is a ceramic paint and adheres to polymer and metal very well. Since the the lowers are painted, some wear marks may be seen on areas of heavy use. AT3 doesn’t warranty against Cerakote inconsistencies or the wearing of coatings. Our parts are Cerakoted using the official Cerakote colors.

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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.

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.