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 | .223 REM/5.56 NATO |
|---|---|
| Model | Barrel Sub-Assembly |
| Overall length | 16.10" |
| 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 55DC70A Barrel Sub-Assembly 5.56x45mm NATO 16.10″ Black Nitride Finish 4140 Chromoly Steel Material Midlength 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.





