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Questions & Answers
Is the rear sight hight compatible with f marked front sight? Manufacturer Answer

The difference between the "F" marked and "non F" marked FSB is .04" so most rifles can be sighted in with either FSB in use and the post should have enough travel for that.

by Luth-AR, Manufacturer, March 12, 2025
Could I use any aftermarket charging handles or does this require a specific one? Expert Answer

The Luth-AR AR-15 A1 Upper Receiver can be used with any AR15 pattern charging handle.

by Ethan, Gear Expert, October 28, 2024
Customer Reviews
Helpful Positive Review Great for a HEAT build by RetroFanatic, Verified Owner, May 4, 2024
The upper is nice, it’s got m4 feed ramps and it does include a hole to mount retro scopes . Would highly recommended.
3/3 found this helpful
Helpful Positive Review Used for an AR15-A1 Backup Upper Build by Mike, Verified Owner, March 27, 2024
Ordered this product for an AR15-A1 Backup Upper Build, but would also work great for an A2 Upper Build as it has features of both. Looks great, and used along with a Luth A1 Style Handguard, and a 20" Barrel to build a great looking but updated AR15...
Read More...
1/1 found this helpful
Most Recent Reviews Did not come as shown with teardrop assist by JEEPTEK, Verified Owner, April 4, 2025
Very nice upper and otherwise satisfied with the product but as you can see in the picture it shows a teardrop assist. The upper i received is round. Since this is going on a retro build i am going need to change it. O/P if your reading this you owe ...
Read More...
Most Recent Reviews luther a1 upper by Bill, Verified Owner, March 21, 2025
Looks great for retro build.0p packaged it great but receiver had large nick and tooling marks before it was anodized. So little disapointed in Luthar’s quality control not sure if want to send it back!
Most Recent Reviews A1 modern retro build by dude, Verified Owner, October 24, 2024
Flawless finish - nice that it’s complete and I don’t have to search for parts
Most Recent Reviews "Retro-ish" by Chris, Verified Owner, October 12, 2024
I completed a build using this AR-15A1 (Canadian version?) Barrel, bolt carrier, and charging handle fit and functioned with no issues. Upper to lower fitment was fine.
Read All 6 Reviews
Color: Black Finish: Hard-Coat Anodized Fabric/Material: 7075-T6 Aluminum Caliber: 5.56x45mm NATO Gun Model: AR-15 Additional Features: C7 Style Condition: New

Code: 3FN-UPR-ARA1URA-UR-01A

MPN: UR-01A

UPC: 812058030577

List: $199.95Save $12.00
$187.95

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Product Info for Luth-AR AR-15 A1 Upper Receiver Assembled

A1 Upper Receiver Assembled. Start your project with our complete A1 upper receiver. Comes with the standard features of a Mil-Spec upper receiver and is forged from 7075-T6 aluminum with a hard coat anodized, tough finish. The A1 carry handle includes A1 adjustable rear sight, and perfect for building a retro M16A1E1, M16A2 Carbine Model 723, or a Model 733 Commando. The upper has a shell deflector and tear drop forward assist and dust cover. The C7 style carry handle allows mounting a scope from the era for a retro look. This upper does not have M4 feed ramps in keeping with the military A1 uppers. Use with any Mil-Spec lower receiver.image

Specifications for Luth-AR AR-15 A1 Upper Receiver Assembled:

Manufacturer: Luth-AR
Color: Black
Finish: Hard-Coat Anodized
Fabric/Material: 7075-T6 Aluminum
Caliber: 5.56x45mm NATO
Gun Model: AR-15
Additional Features: C7 Style
Condition: New

Features of Luth-AR AR-15 A1 Upper Receiver Assembled

  • A1 rear base sight assembly (UR-21A)
  • Ejection port cover assembly (UR-05A)
  • Teardrop forward assist assembly (UR-08T)
  • 7075 T-6 Aluminum
  • Hard coat Anodized
  • Has forward assist and Brass deflector
  • C7 Style

Package Contents:

  • Luth-AR AR-15 A1 Upper Receiver Assembled

Luth-AR AR-15 A1 Upper Receiver Assembled Orderable Models

List of Orderable Models

Luth-AR AR-15 A1 Upper Receiver Assembled, Black, UR-01A , MPN: UR-01A , UPC: 812058030577 , Code: 3FN-UPR-ARA1URA-UR-01A

Luth-AR AR-15 A1 Upper Receiver Assembled Unavailable & Discontinued Models

List of Unorderable Models

Luth-AR AR-15 A1 Upper Receiver Assembled, Grey, UR-01A-G , MPN: UR-01A-G , UPC: 812058030638 , Code: 3FN-UPR-ARA1URA-UR-01A-G
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