California delivery
Description
CMMG's Barrel Sub-Assembly is ideal for building your custom AR-15 upper group. It comes with properly installed M4 barrel extension.
Specifications
| Caliber / Gauge | .300 AAC Blackout |
|---|---|
| Barrel length | 16.1" |
| Model | Barrel Sub-Assembly |
| Overall length | 16.10" |
| Color | Black |
| Twist rate | 1:7" |
California compliance
California requires this item to be delivered through a licensed dealer when it ships to a California address. Outside California it ships direct to you.
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
In stock at our warehouse — ready to ship
It's not in our Napa cases today, but it's in stock at our warehouse and ready to ship. You complete the purchase and pick it up at the counter, same as anything else — we text you when it lands.
Ships direct to you outside California. For a California address this item must go to a licensed dealer — you'll choose one at checkout, or pick it up at our counter.





