“CMMG 30D120A Barrel Sub-Assembly 300 Blackout 16.10″ Black Nitride Finish 4140 Chromoly Steel Material Carbine Length with Medium Taper Profile for AR-15” has been added to your cart. View cart

SIG RM40016BTRDV2 M400 556 V2 16 30R BLK
May 22, 2026
REARDEN ARGOS 34MM 1.54″ BLACK
May 22, 2026DBB BBL 556 16″ CARB MED 1/9 BLK
$106.60
DBB BBL 556 16″ CARB MED 1/9 BLK
50 in stock
SKU: RSR|DBB556C16M50B9
Category: AR Barrels
Diamondback Firearms began in 1989 with a desire to create products without compromise. Since then Diamondback has developed some of the most efficient AR15 and concealed carry pistol platforms available.
| UPC | 815875019374 |
|---|---|
| Manufacturer | Diamondback Barrels |
| Manufacturer Part Number | 556C16M50B9 |
| Barrel Length | 16" |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Product Type | Barrel |







