BudsGunShop.com - California compliant?

From Hornaday website hornady.com/ammunition/shotgun/12-ga-superformance-reg-slug-300-gr-monoflex-reg#!/
The Superformance® Shotgun slug can be used in areas with lead restrictions, afford maximum penetration, and is capable of taking everything from Midwest whitetails to Alaskan moose.
Also unless I missed something I don't think shotgun shells have the same restrictions as regular ammo
"California bans the manufacture, importation, sale, offer for sale, or knowing possession or transportation of handgun ammunition designed primarily to penetrate metal or armor.28 This ban applies to any ammunition (except a shotgun shell or ammunition primarily designed for use in rifles) "
https://giffords.org/lawcenter/state-laws/ammunition-regulation-in-california/
You should be good to go either way

You can hunt in CA? I thought you could only use sticks and rocks.

Gary, yes Sir the Bullet Core is Lead. I would look at the Brenneke Lead Free (in stock) here : centuryarms.com/brenneke-usa-t-k-o-12-gauge-ammunition-5-rounds-2-3-4-2-3-oz-rifled-slug-lead-free-2001-fps.html