Aim Sports AR5CUB3 Complete Upper Assembly 5.56x45mm NATO 16″ Black Nitride Barrel 7075-T6 Aluminum Black Hard Coat Anodized Receiver 15″ M-LOK Free-Float Handguard for AR-15
- Caliber/Gauge .223 REM/5.56 NATO
- Barrel Length 16"
- Action .223 REM/5.56 NATO
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Aim Sports AR Complete Upper 5.56x45mm NATO Black Nitride 15″ M-LOK – The AR Complete Upper Receiver with BCG features a Mil-Spec anodized upper with 16″ SOCOM profile 4150 chorme moly vanadium barrel, and 15″ M-LOK free-float handguard. The barrel also has a nitride finish, M4 feed ramps, and A2 flash hider. This product includes the upper, charging handle, and BCG
Specifications
| UPC | 815879019738 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | AR5CUB3 |
| Action | .223 REM/5.56 NATO |
| Barrel Finish | Black Nitride |
| Barrel Length | 16" |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Product Type | Complete |
| Rate of Twist | 1:8" |
| Sights | None, Optic Ready |
Shipping & Returns
All sales are final; we do not offer refunds or exchanges. Items that arrive damaged or defective are covered under the manufacturer's warranty — contact us within 5 days of delivery and we will help coordinate a claim.




