“Faxon Firearms 10A863C16NGQ Big Gunner 8.6 Blackout 16″ Target Crown Steel Salt Bath Nitride 4150 Steel Barrel Fits AR10” has been added to your cart. View cart

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June 9, 2025Diamondback 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
43 in 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 | 556M16M50B8R |
| Length | 16" |
| Model | DB Barrel |
| Rate of Twist | 1:8" |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Product Type | Barrel |
| Barrel Length | 16" |





