We all know that the sensible gun control laws in effect in California — site of yesterday’s mass shooting that killed 14 — are working, because Sen. Barbara Boxer told us they are. Still, when the San Bernardino police and FBI gave their first press conference of the day this morning, they noted that the suspects in the Inland Regional Center attack had managed to acquire quite an arsenal despite those very gun laws.

Reporters and viewers seemed particularly curious about the number of rounds of ammunition suspect Syed Farook and his wife had managed to accumulate and had on their bodies when they were killed by police. (Police expended around 380 rounds in the final shootout.)

Emily Miller, investigative reporter and author of “Emily Gets Her Gun … But Obama Wants to Take Yours,” notes that it’s “very common, perfectly reasonable, and cost-effective” for a law-abiding shooter to order large quantities of ammo online.

Red State’s Erick Erickson knows when it’s time to stock up.

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