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![AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK104 [ASSMBLED] AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK104 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-104-AR40P/UPK-104-AR40P-A-1000x1000.jpg)
![AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK104 [ASSMBLED] AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK104 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/2025/0%2025%20BCG-40N-OPTION-ADD-ON-OPTIONAL-1000x1000.jpg)
![AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK104 [ASSMBLED] AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK104 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/2024%20NOVEMBER%20OPTIONS/0%201%20SIGHTS-OPTIONS-2024-1000x1000.jpg)
![AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK104 [ASSMBLED] AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK104 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/2024%20NOVEMBER%20OPTIONS/0%202%20SIGHTS-OPTIONS-2024-1000x1000.jpg)
-58 %
![AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK104 [ASSMBLED] AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK104 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-104-AR40P/UPK-104-AR40P-800x800.png)
![AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK104 [ASSMBLED] AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK104 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-104-AR40P/UPK-104-AR40P-A-800x800.jpg)
![AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK104 [ASSMBLED] AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK104 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/2025/0%2025%20BCG-40N-OPTION-ADD-ON-OPTIONAL-800x800.jpg)
![AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK104 [ASSMBLED] AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK104 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/2024%20NOVEMBER%20OPTIONS/0%201%20SIGHTS-OPTIONS-2024-800x800.jpg)
![AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK104 [ASSMBLED] AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK104 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/2024%20NOVEMBER%20OPTIONS/0%202%20SIGHTS-OPTIONS-2024-800x800.jpg)
AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK104 [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-104-AR40P
Product Views: 14
$239.99
$569.99
Available Options
AR-40/ 40 S&W 4" 1:16 Twist Black Nitride Finish - Made in USA
CERAKOTE HUNTER ORANGE | AR-15 Mil-Spec Upper Receiver - Made In U.S.A
CERAKOTE HUNTER ORANGE| AR-15 4‘’ Combat Modular M-Lok Handguard "C" Cut
AR-15 Charging Handle | Latch 01
CERAKOTE CAMO| AR-15 Ejection Port Cover | Dust Cover Assembly| Black and Hunter Orange
Forward Assist Complete Mil Spec Assembly
AR-10 / LR-308 A2 Style Birdcage Muzzle Brake
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-40
, 40 S&W
, 4" Barrel
, 4" Handguard
, PISTOL UPPER BUILD
, UPK104
, ASSMBLED
, OutdoorSportsUSA