![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/demo/UPK-73-AR15C/8-1000x1000.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/7-1000x1000.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/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/NEW-SIGHTS%20OPTION-ADD-ON-OPTIONAL-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/4d-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/5d-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/demo/UPK-73-AR15C/8-800x800.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/7-800x800.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/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/NEW-SIGHTS%20OPTION-ADD-ON-OPTIONAL-1-800x800.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/4d-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/5d-800x800.jpg)
- Stock: In Stock
- Model: UPK-73-AR15C
Available Options
Anderson Manufacturing AR-15 Stripped Upper Receiver | Made in U.S.A
BCA 16" 5.56 Nato Rifle Barrel | Parkerized | Made In U.S.A
AR-15 M-LOK Lightweight Frame Rail System 12''
Forward Assist Complete Mil Spec Assembly
AR-15 Black Steel 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 | Anodized Color 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 | Anodized Color 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