CMMG's Barrel Sub-Assembly is ideal for building your custom AR-15 upper group. It comes with properly installed M4 barrel extension. Accuracy matters with any build, and with this 16.1 Barrel chambered in .350 Legend there's no need to worry. Made from 4140CM steel with a nitride finish for superior durability. Works with CMMG's Mk4 (AR15) Uppers.
*Item must be returned in unused condition and in the original manufacturer's packaging (if applicable).
If an item arrives non-defective and accurate to its description, this guarantee does not apply and returns will not be organized in those situations.
Please confirm compatibility and specifications with us regarding item CMMG Barrel Sub-Assembly 350 Legend 16.10" Threaded, before purchasing if you are unsure.