![AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED] AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-5-AR15C/0%201%2024-1000x1000.png)
![AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED] AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-5-AR15C/4d-1000x1000.jpg)
![AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED] AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-5-AR15C/0%203%2024-1000x1000.jpg)
![AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED] AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-5-AR15C/0%204%2024-1000x1000.jpg)
![AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED] AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/0%202024%20BARRELS-1000x1000.jpg)
![AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED] AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]](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 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED] AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/0-NEW-CH-OPTION-ADD-ON-OPTIONAL-2024-1000x1000.jpg)
![AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED] AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/0%202024%20Rifle%20Scope%20Add-on-1000x1000.jpg)
![AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED] AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/2024%20NOVEMBER%20OPTIONS/0%201%20SIGHTS-OPTIONS-2024-1000x1000.jpg)
![AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED] AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/2024%20NOVEMBER%20OPTIONS/0%202%20SIGHTS-OPTIONS-2024-1000x1000.jpg)
![AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED] AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/2024%20NOVEMBER%20OPTIONS/AR15-Laser-Bore-Sight-2024-1000x1000.jpg)
![AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED] AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-5-AR15C/0%201%2024-800x800.png)
![AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED] AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-5-AR15C/4d-800x800.jpg)
![AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED] AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-5-AR15C/0%203%2024-800x800.jpg)
![AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED] AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-5-AR15C/0%204%2024-800x800.jpg)
![AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED] AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/0%202024%20BARRELS-800x800.jpg)
![AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED] AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]](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 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED] AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/0-NEW-CH-OPTION-ADD-ON-OPTIONAL-2024-800x800.jpg)
![AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED] AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/0%202024%20Rifle%20Scope%20Add-on-800x800.jpg)
![AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED] AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/2024%20NOVEMBER%20OPTIONS/0%201%20SIGHTS-OPTIONS-2024-800x800.jpg)
![AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED] AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/2024%20NOVEMBER%20OPTIONS/0%202%20SIGHTS-OPTIONS-2024-800x800.jpg)
![AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED] AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/2024%20NOVEMBER%20OPTIONS/AR15-Laser-Bore-Sight-2024-800x800.jpg)
- Stock: In Stock
- Model: UPK-5-AR15C
Available Options
HANDGUARD OPTION
AR-15 12'' Combat ModularM-Lok Handguard "C" Cut - Black
AR-15 12'' M-LOK SuperSlim Free Float Handguard with Steel Barrel Nut - Made in U.S.A
AR-15 12'' Angle CutClamp on M-LOK Handguard - Made in U.S.A
AR-15 12'' M-LOK SlimProfile Free Float Handguard – Black - Made in U.S.A
AR-15 12'' M-LokHandguard C Relief Cut - Black
AR-15 12'' ExtendedLength One Piece Free Float Handguard
AR-15 12'' Super SlimKeymod Free Float Handguard 223 556 Steel Barrel Nut
AR-15 12'' Ultra SlimKeymod Handguards V2 W/ Steel Barrel Nut
AR-15 Ultra Slim Keymod Handguards V2 W/ Steel Barrel Nut- 12
AR-15 1/2x28 Birdcage Muzzle Brake W/Crush Washer
AR-15 Mil-Spec Upper Receiver | Made in U.S.A.
AR-15 Tactical Rifle Charging Handle Assembly
AR-15 Ejection Port Cover | Dust Cover Assembly
Forward Assist Complete Mil-Spec Assembly
Low-Profile Micro Steel AR Gas Block .750-Black Phosphate Finish
9.75" Stainless Steel Gas Tube-Carbine Length