AT3™ Slick Side Upper | Billet Upper Receiver for AR-15

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Product description

Tough, Sleek, and ready for the AT3 SPEAR M-LOK Handguard

Machined from billet aluminum, this unique slick-side upper receiver has no forward assist, includes a dust cover, and matches perfectly with AT3’s SPEAR handguards with anti-rotation features. This upper also features more material to surround your barrel extension than typical forged receivers, making it more ideal for precision. This lower matches up with mil-spec lower receivers for a secure, reliable fit.

The AT3 Slick Side Upper Receiver also comes in a wide variety of colors, ranging from classic black, Magpul-matching Flat Dark Earth, vivid Pink, USMC Red, and even new metallic shades like Tungsten, Titanium, and Burnt Bronze. Flat black uppers have classic hard-coat anodizing, while the other colors receive a durable Cerakote finish.

Features:

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

Specifications:

  • Platform: AR15
  • Material: 6061-T6 billet aluminum
  • Finish
    • Black: Type III 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
  • Compatibility: Perfect match for AT3 SPEAR Handguards, standard AR15/M16 bolt carriers, charging handles, and some other handguards.
  • Weight: 7.1 oz

 

Note: Not compatible with Wheeler Delta Series Upper Vise Block. We suggest to use the Magpul Bev Block

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Customer reviews 135

David Verified buyer
Built four guns now using these receivers (and handguards). Great company to deal with & the receivers are much nicer than mil-spec stuff.
ryan.robinson Verified buyer
Very nicely made. Fits together perfectly with AT3 lower, which it should. Color match on cerakote was spot on with the lower.
Edward Verified buyer
I used a lot of AT3's parts in this build, and they have all been excellent the quality fit The finish. and everything went together flawlessly. 👌
Talbert Roberts Verified buyer
The finish is amazing
gardnernb Verified buyer
This upper represents freedom well
jeremy_labit Verified buyer
Great fit! Great color! Great Price! Works as it should and no more forward assist…
Charlie
I like these AT3 Slick Side receivers because they have a lot of flats and the lack of Forward assist makes it so much better for laser engraving projects. Will be picking up a few more to have instock for the next projects.
Also functions as needed. No issues on the function side.
Clay Hamilton Verified buyer
I haven’t began my build yet. Once I start and finish I will post my results
marcos.mendoza Verified buyer
AT3™ Slick Side Upper | Billet Upper Receiver for AR-15
bart.patton Verified buyer
Good price, everything fit well and it looks great
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Warranty & returns

Backed by the AT3 Lifetime Warranty!

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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