![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-341-AR15C/UPK-341-AR15C-2025-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-341-AR15C/UPK-341-AR15C-2025-10-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-341-AR15C/UPK-341-AR15C-2025-12-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-341-AR15C/UPK-341-AR15C-2025-15-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/2025/0%202%2025x-1000x1000-1000x1000.jpg "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/1-2023%20NEW-BCG-N+BCG-NB-BCG-N-HM+BCG-N2-OPTION-ADD-ON-OPTIONAL-1000x1000.jpg "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/0-NEW-CH-OPTION-ADD-ON-OPTIONAL-2024-1000x1000.jpg "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/0%202024%20Rifle%20Scope%20Add-on-1000x1000.jpg "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/2024%20NOVEMBER%20OPTIONS/0%201%20SIGHTS-OPTIONS-2024-1000x1000.jpg "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/2024%20NOVEMBER%20OPTIONS/0%202%20SIGHTS-OPTIONS-2024-1000x1000.jpg "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/2024%20NOVEMBER%20OPTIONS/AR15-Laser-Bore-Sight-2024-1000x1000.jpg "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-341-AR15C/UPK-341-AR15C-A-2025-10-1000x1000.jpg "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-341-AR15C/UPK-341-AR15C-A-2025-12-1000x1000.jpg "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-341-AR15C/UPK-341-AR15C-A-2025-15-1000x1000.jpg "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]")
New
-54 %
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-341-AR15C/UPK-341-AR15C-2025-800x800.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-341-AR15C/UPK-341-AR15C-2025-10-800x800.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-341-AR15C/UPK-341-AR15C-2025-12-800x800.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-341-AR15C/UPK-341-AR15C-2025-15-800x800.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/2025/0%202%2025x-1000x1000-800x800.jpg "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/1-2023%20NEW-BCG-N+BCG-NB-BCG-N-HM+BCG-N2-OPTION-ADD-ON-OPTIONAL-800x800.jpg "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/0-NEW-CH-OPTION-ADD-ON-OPTIONAL-2024-800x800.jpg "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/0%202024%20Rifle%20Scope%20Add-on-800x800.jpg "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/2024%20NOVEMBER%20OPTIONS/0%201%20SIGHTS-OPTIONS-2024-800x800.jpg "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/2024%20NOVEMBER%20OPTIONS/0%202%20SIGHTS-OPTIONS-2024-800x800.jpg "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]")
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![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-341-AR15C/UPK-341-AR15C-A-2025-12-800x800.jpg "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-341-AR15C/UPK-341-AR15C-A-2025-15-800x800.jpg "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]")
AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]
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Most orders usually ship out fast. CERAKOTE products may take 5-7 business days to process.
- Stock: In Stock
- Model: UPK-341-AR15C
Product Views: 1753
$279.99
$609.99
Available Options
CERAKOTE BLUE FLAME |AR-15/47/9/300 Custom Lightweight Side Cut Billet Upper Receiver - Made InU.S.A
CERAKOTE CAMO BLU |AR-15 Charging Handle - Base BLK - Pattern - BLU
CERAKOTE CAMO BLU |AR-15 Ejection Port Cover | Dust Cover Assembly - Base BLK - Pattern - BLU
.750 Low Profile Micro Gas Block And Silver Carbine Length Gas Tube [Assembled] | GTCGB
AR-15.223/5.56 Birdcage Muzzle Brake W/ Crush Washer - BLACK OXIDE | MBR05+TL223
HANDGUARD OPTIONS
CERAKOTE BLUE FLAME |AR-15 10'' Angle Cut Clamp on M-LOK Handguard - Made in U.S.A
CERAKOTE BLUE FLAME |AR-15 12'' Angle Cut Clamp on M-LOK Handguard - Made in U.S.A
CERAKOTE BLUE FLAME |AR-15 15'' Angle Cut Clamp on M-LOK Handguard - Made in U.S.A
WARNING to California Residents:⚠️ According to California's Proposition 65, some products sold on this website may expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Tags:
AR-15
, .223
, 5.56
, 16" BARREL
, HANDGUARD
, CARBINE UPPER BUILD
, UPK341
, ASSMBLED
, outdoorsportsusa