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AT3 Tactical Tactical AR-15 Slick Side Billet Upper Receiver Up to 30% Off, Coupon Available w/ Free S&H — 7 models

AT3 Tactical AR-15 Slick Side Billet Upper Receiver, Black, AT3-UPPER-1
AT3 Tactical AR-15 Slick Side Billet Upper Receiver, FDE, AT3-UPPER-FDE
AT3 Tactical AR-15 Slick Side Billet Upper Receiver, Titanium, AT3-UPPER-TI
AT3 Tactical AR-15 Slick Side Billet Upper Receiver, Green, AT3-UPPER-ODG
AT3 Tactical AR-15 Slick Side Billet Upper Receiver, Tungsten, AT3-UPPER-TG
AT3 Tactical AR-15 Slick Side Billet Upper Receiver, Burnt Bronze, AT3-UPPER-BB
AT3 Tactical Tactical AR-15 Slick Side Billet Upper Receiver, Pink, AT3-UPPER-PNK
AT3 Tactical AR-15 Slick Side Billet Upper Receiver, Black, AT3-UPPER-1
AT3 Tactical AR-15 Slick Side Billet Upper Receiver, Black, AT3-UPPER-1
AT3 Tactical AR-15 Slick Side Billet Upper Receiver, Black, AT3-UPPER-1
1 of 9 images
AT3 Tactical AR-15 Slick Side Billet Upper Receiver, Black, AT3-UPPER-1
AT3 Tactical AR-15 Slick Side Billet Upper Receiver, FDE, AT3-UPPER-FDE
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AT3 Tactical AR-15 Slick Side Billet Upper Receiver, FDE, AT3-UPPER-FDE
AT3 Tactical AR-15 Slick Side Billet Upper Receiver, Titanium, AT3-UPPER-TI
3 of 9 images
AT3 Tactical AR-15 Slick Side Billet Upper Receiver, Titanium, AT3-UPPER-TI
AT3 Tactical AR-15 Slick Side Billet Upper Receiver, Green, AT3-UPPER-ODG
4 of 9 images
AT3 Tactical AR-15 Slick Side Billet Upper Receiver, Green, AT3-UPPER-ODG
AT3 Tactical AR-15 Slick Side Billet Upper Receiver, Tungsten, AT3-UPPER-TG
5 of 9 images
AT3 Tactical AR-15 Slick Side Billet Upper Receiver, Tungsten, AT3-UPPER-TG
AT3 Tactical AR-15 Slick Side Billet Upper Receiver, Burnt Bronze, AT3-UPPER-BB
6 of 9 images
AT3 Tactical AR-15 Slick Side Billet Upper Receiver, Burnt Bronze, AT3-UPPER-BB
AT3 Tactical Tactical AR-15 Slick Side Billet Upper Receiver, Pink, AT3-UPPER-PNK
7 of 9 images
AT3 Tactical Tactical AR-15 Slick Side Billet Upper Receiver, Pink, AT3-UPPER-PNK
AT3 Tactical AR-15 Slick Side Billet Upper Receiver, Black, AT3-UPPER-1
8 of 9 images
AT3 Tactical AR-15 Slick Side Billet Upper Receiver, Black, AT3-UPPER-1
AT3 Tactical AR-15 Slick Side Billet Upper Receiver, Black, AT3-UPPER-1
9 of 9 images
AT3 Tactical AR-15 Slick Side Billet Upper Receiver, Black, AT3-UPPER-1

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Questions & Answers
Thumbnail shows Pink, description reads FDE. Is this an error with the thumbnail, making the product according to s/n an actual FDE upper? Expert Answer

The AT3 Tactical AR-15 Slick Side Billet Upper Receiver model number AT3-UPPER-FDE is the FDE model. The AT3 Tactical AR-15 Slick Side Billet Upper Receiver model AT3-UPPER-PNK is the pink model. The product images show each of these models.

by Hunter, Gear Expert, August 29, 2022
Does this upper deflect brass, at all? Can you answer this question?
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
great upper by matt, Verified Owner, February 18, 2026
This is a great upper. Came with the Ejection cover and ever seems to be in spec. I would definitely buy another one.
1/1 found this helpful
Most Recent Reviews
Fit up against upper by Marvin, Verified Owner, May 6, 2026
I have a standard Aero lower and the fit against this piecs is a bit loose. It is not the lower receiver since it fits well on my other AR
Most Recent Reviews
I like the way it looks! by Jay, Verified Owner, November 22, 2024
I like the way it matches right up to the PSA handguard I got for the build!
Most Recent Reviews
looks good! by Jay, Verified Owner, November 22, 2024
I like the matt finish and 8 sided profile. It matches perfectly with the PSA hand guards I got for the build!
Read All 4 Reviews

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ATTENTION! We currently do not ship this product to P.O. Boxes, AK, CA, CT, DE, HI, MA, NJ, NY, U.S. Territories, or select Colorado locations. Please see our policies for more information or a detailed list of locations.

Product Info for AT3 Tactical Tactical AR-15 Slick Side Billet Upper Receiver

This AT3 Tactical AR-15 Slick Side Billet Upper Receiver is machined to perfection from 6061-T6 billet aluminum for a lightweight yet durable structure. These AR15 Upper Receivers made by AT3 Tactical have no forward assist, a dust cover, and match with mil-spec lower receivers for a reliable fit every time. The AT3 Tactical AR-15 Slick Side Billet Upper Receiver has M4 feedramps and .250 takedown pin holes for compact packing with a swift trigger. Pick up an AT3 Tactical AR-15 Slick Side Billet M-LOK Upper Receiver for your rifle build and add some extra flare to it.image

Specifications for AT3 Tactical Tactical AR-15 Slick Side Billet Upper Receiver:

Manufacturer: AT3 Tactical
Fabric/Material: 6061-T6 Aluminum
Caliber: 6mm ARC, .350 Legend, 5.56x45mm NATO, .300 AAC Blackout
Gun Make: AR Platform
Gun Model: AR-15
Condition: New
Hand: Right
Weight: 7.1 oz

Features of AT3 Tactical Tactical AR-15 Slick Side Billet Upper Receiver

  • M4 Feedramps
  • .250 takedown pin holes
  • Low-profile brass deflector
  • No Forward Assist

Package Contents:

  • AT3 Tactical Tactical AR-15 Slick Side Billet Upper Receiver
  • Dust Cover

What firearm models does the manufacturer say AT3 Tactical Tactical AR-15 Slick Side Billet Upper Receiver is compatible with?

The manufacturer suggests that AT3 Tactical Tactical AR-15 Slick Side Billet Upper Receiver is compatible with AR-15

AT3 Tactical Tactical AR-15 Slick Side Billet Upper Receiver Orderable Models

List of Orderable Models

  • AT3 Tactical AR-15 Slick Side Billet Upper Receiver, Black, AT3-UPPER-1 , MPN: AT3-UPPER-1 , UPC: 783935100921 , Code: 4U2-UPR-ATT1229-AT3-UPPER-1
  • AT3 Tactical AR-15 Slick Side Billet Upper Receiver, FDE, AT3-UPPER-FDE , MPN: AT3-UPPER-FDE , UPC: 783935100938 , Code: 4U2-UPR-ATT1229-AT3-UPPER-FDE
  • AT3 Tactical AR-15 Slick Side Billet Upper Receiver, Titanium, AT3-UPPER-TI , MPN: AT3-UPPER-TI , UPC: 5060748421098 , Code: 4U2-UPR-ATT1229-AT3-UPPER-TI
  • AT3 Tactical AR-15 Slick Side Billet Upper Receiver, Green, AT3-UPPER-ODG , MPN: AT3-UPPER-ODG , UPC: 783935100952 , Code: 4U2-UPR-ATT1229-AT3-UPPER-ODG
  • AT3 Tactical AR-15 Slick Side Billet Upper Receiver, Tungsten, AT3-UPPER-TG , MPN: AT3-UPPER-TG , UPC: 5060748421814 , Code: 4U2-UPR-ATT1229-AT3-UPPER-TG
  • AT3 Tactical Tactical AR-15 Slick Side Billet Upper Receiver, Pink, AT3-UPPER-PNK , MPN: AT3-UPPER-PNK , UPC: 783935100969 , Code: 4U2-UPR-ATT1229-AT3-UPPER-PNK
  • AT3 Tactical AR-15 Slick Side Billet Upper Receiver, Burnt Bronze, AT3-UPPER-BB , MPN: AT3-UPPER-BB , UPC: 5060748421128 , Code: 4U2-UPR-ATT1229-AT3-UPPER-BB

AT3 Tactical Tactical AR-15 Slick Side Billet Upper Receiver Unavailable & Discontinued Models

List of Unorderable Models

  • USED, AT3 Tactical AR-15 Slick Side Billet Upper Receiver, Black, AT3-UPPER-1 , MPN: AT3-UPPER-1-EDEMO , Code: 4U2-UPR-ATT1229-AT3-UPPER-1-EDEMO-IN-C
  • USED, AT3 Tactical AR-15 Slick Side Billet Upper Receiver, Black, AT3-UPPER-1 , MPN: AT3-UPPER-1-EDEMO , Code: 4U2-UPR-ATT1229-AT3-UPPER-1-EDEMO-OB-B
  • AT3 Tactical AR-15 Slick Side Billet Upper Receiver, Gray, AT3-UPPER-GRY , MPN: AT3-UPPER-GRY , UPC: 783935100945 , Code: 4U2-UPR-ATT1229-AT3-UPPER-GRY
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Last updated 2026-07-05 UTC.