I took advantage of this offer in August last year.  The pistol case is good quality.  The 2 free mags were shipped separately but arrived the same week as the bag.

SIG SAUER is pleased to announce a national consumer promotion for the month of May.

The Offer: Purchase any SIG SAUER CenterFire Classic Line (P220, P224, P226, P227, P228, P229, P239) or 1911 Pistol and receive a FREE Pistol Bag and Two Magazines.
To participate in the rebate promotion, you must follow the instructions on the rebate form and mail that form to the address listed on it.

Qualification: The pistol must be purchased within the purchase period dates, May 1, 2015 - May 31, 2015. You must include the dealer receipt with rebate mail-in form.

Terms & Conditions: This offer may not be combined with any other SIG SAUER offer or promotion currently in effect.

http://sigsauer.com/Promotions/rebate.aspx