Description
FFL To FFL Transfer
If this item is out of stock in our online shop , no problem. Just place your order and select FFL Transfer as the shipping method. As long as the item is legal in your location, we will transfer the item for you. You will be notified by email once your item has arrived at the destination. Use this factory SIG Cal-X kit to convert your MCX to an MCX Rattler in .300 Blackout. Includes a 5.5″ Blackout barrel assembly with tapered lug bolt. Compatible with standard AR15 magazines.
A new tapered bolt lug design results in smoother cycling and extends the bolt life.
All NFA rules apply.