Walmart: playstation 4 dual shock 4 back button attachment available 2 weeks early in store $24.96

https://brickseek.com/walmart-inv…=222869792
This thing attaches to dual shock 4s for playstation 4 systems and basically provides back paddles. MSRP is $29.99 with a release date of Jan 31st or Feb 4th.
However I was able to buy one in store today at walmart for $24.96