“Wilson Combat TR300RCPG16RT7 Match Grade Barrel 300 Blackout 16″ Stainless Bead Blasted Finish 416R Stainless Steel Material Pistol Length with Threading & 1:7″ Twist for AR-15” has been added to your cart. View cart

CMMG 60D100C Barrel Sub-Assembly 6mm ARC 16.10″ Black Nitride Finish 416R Stainless Steel Material Rifle Length with Medium Taper Profile for AR-15
July 14, 2026
Winchester Ammo USA10JHP USA 10mm 147gr Jacketed Hollow Point 50 Per Box/10 Case
July 14, 2026Diamondback 300P85H50B8R DB Barrel 300 Blackout 8.50″ Pistol-Length Black Nitride 4150 Chrome Moly Vanadium Steel
$89.70
Diamondback 300P85H50B8R DB Barrel 300 Blackout 8.50″ Pistol-Length Black Nitride 4150 Chrome Moly Vanadium Steel
2 in stock
SKU: TSW|148387
Category: AR Barrels
Replace your barrel, or finish your build with this 8.50″ black nitride barrel from Diamondback! Made of 4150 CMV with a pistol-length gas system.
| UPC | 815875019183 |
|---|---|
| Manufacturer | Diamondback Firearms |
| Manufacturer Part Number | DB300P8.5H50B8-R |
| Length | 8.50" |
| Model | DB Barrel |
| Rate of Twist | 1:8" |



