Aim Sports AR5CUB5 Complete Build Kit 5.56x45mm NATO 16″ Aluminum Black Hard Coat Anodized Receiver for AR-15
September 9, 2025
Bushmaster 0040004BLK M4 Patrolman’s Upper 5.56x45mm NATO 16″ Black Nitride Barrel, 7075-T6 Aluminum Black Receiver, M4 Handguard for AR-Platform
September 9, 2025
Bushmaster 0040008BLK M4 Patrolman’s Upper 5.56x45mm NATO 20″ Black Rec/Barrel for AR-15
$617.82
Bushmaster 0040008BLK M4 Patrolman’s Upper 5.56x45mm NATO 20″ Black Rec/Barrel for AR-15
1 in stock
Crafted to Proven Perfection, M4 Patrolman’s complete upper receiver is designed to be the heart of Bushmaster Firearms. Durable and Reliable Platform made in the U.S.A.
| UPC | 604206200259 |
|---|---|
| Manufacturer | Bushmaster |
| Manufacturer Part Number | 0040008BLK |
| Barrel Finish | Black |
| Product Type | Complete |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Barrel Length | 20" |
| Sights Type | Adjustable Sights |
| Sights | A2 Front/Flip Up Rear |
| Shipping Weight | 2.55 |
| Rate of Twist | 1-in-9 |
| Package Width | 4.0 |
| Package Height | 4.0 |