![AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED] AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-73-AR15C/1d-1000x1000.png)
![AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED] AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-73-AR15C/2d-1000x1000.png)
![AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED] AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-73-AR15C/3d-1000x1000.png)
![AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED] AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [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 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED] AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/0%202024%20BARRELS-1000x1000.jpg)
![AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED] AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/0%202024-01-NEW-SIGHTS%20OPTION-ADD-ON-OPTIONAL-1000x1000.jpg)
![AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED] AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED]](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 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED] AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-73-AR15C/4%20-%205-20-2024%20(2)-1000x1000.jpg)
![AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED] AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-73-AR15C/5%20-%205-20-2024%20(1)-1000x1000.jpg)
![AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED] AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-73-AR15C/1d-800x800.png)
![AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED] AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-73-AR15C/2d-800x800.png)
![AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED] AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-73-AR15C/3d-800x800.png)
![AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED] AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [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 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED] AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/0%202024%20BARRELS-800x800.jpg)
![AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED] AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/0%202024-01-NEW-SIGHTS%20OPTION-ADD-ON-OPTIONAL-800x800.jpg)
![AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED] AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED]](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 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED] AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-73-AR15C/4%20-%205-20-2024%20(2)-800x800.jpg)
![AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED] AR-15 .223/5.56 16" Barrel 12" Keymod Handguard | Carbine Upper Build UPK73 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-73-AR15C/5%20-%205-20-2024%20(1)-800x800.jpg)
- Stock: In Stock
- Model: UPK-73-AR15C
Available Options
Anderson Manufacturing AR-15 Stripped Upper Receiver | Made in U.S.A
AR-15 M-LOK Lightweight Frame Rail System 12''
Forward Assist Complete Mil Spec Assembly
AR-15/.223/5.56 6 Baffles muzzle brake
9.75" Stainless Steel Gas Tube - Carbine Length
AR-15 6-Position Buffer Tube Kit | Red Anodized | Mil-Spec
AR-15 Charging Handle | Shark Fin Latch- RED
AR-15 Ejection Port Cover | Dust Cover Assembly |RED- Fear Nothing - Love Everything
Low Profile Red Aluminum Gas Block- .750" Diameter | MADE IN U.S.A
Blue Bundle
AR-15 M4 Six Position Buffer Tube Kit -Mil-Spec | Blue Anodized
AR-15 Charging Handle | Shark Fin Latch-Blue
AR-15 Ejection Port Cover | Dust Cover Assembly |BLUE- Fear Nothing - Love Everything
Low Profile Blue Aluminum Gas Block- .750" Diameter | MADE IN U.S.A