“Diamondback 223WR18H50B7 223 Wylde 18″ Black QPQ Stainless Steel Barrel” has been added to your cart. View cart

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August 11, 2026
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August 11, 2026Diamondback 556M16M50B8R DB Barrel 5.56x45mm NATO 16″ Black Nitride Chrome Moly Vanadium Steel
$106.60
Diamondback 556M16M50B8R DB Barrel 5.56x45mm NATO 16″ Black Nitride Chrome Moly Vanadium Steel
Out of stock
SKU: RSR|DBB556M16M50B8R
Category: AR Barrels
Replace your barrel or finish your build with this 16″ black nitride barrel from Diamondback. Made of 4150 CMV with a mid-length gas system.
| UPC | 815875019077 |
|---|---|
| Manufacturer | Diamondback Firearms |
| Manufacturer Part Number | DB556M16M50B8-R |
| Barrel Length | 16" |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Length | 16" |
| Model | DB Barrel |
| Product Type | Barrel |
| Rate of Twist | 1:8" |



