MAG SILVER CORP. Suite 770, 800 W. Pender St., Vancouver, BC, Canada V6C 2V6 Tel: 604-630-1399  Fax: 604-681-0894  www.magsilver.com  

January 5, 2017

United States Securities and Exchange Commission

Division of Corporation Finance

Washington, D.C. 20549

Re:MAG Silver Corp., File No. 001-33574

   Comments on Form 40-F for the Year Ended December 31, 2015 and our response dated December 6, 2016

Dear Mr. Decker:

We are in receipt of your follow up letter dated December 20, 2016.  As discussed with Mr. Raj Rajan of your offices, we are drafting our response at this time, but require some additional time to prepare, review and submit.  We respectfully request your permission to submit our response to you on or before January 17, 2017.

Thank you very much.

Yours truly,

"Larry Taddei"

Larry Taddei Chief Financial Officer

MAG SILVER CORP.