My SSE M&P Shield 9mm in San Joaquin County was accepted for my CCW.
When I asked the DOJ for information on all guns registered to me, my M&P Shield 9mm came back as:
DROS Dealer Sale Multiple caliber gun Smith & Wesson Cal/888
Single shot Mod/ MP9/Shield
Qualification with this pistol shows 9mm.
My IA had no problem with this.