Seems the Department of Homeland Security [DHS] is either planning the worlds largest deer hunt or they are expecting to deal with a significant level of rioting, as they just released an order for 25 MILLION rounds of 12 gauge ammo. Of course, its also possible that DHS just doesn't want you to have easy access to 12 gauge ammo for the same reasons.
Specifically, today (4/21/14) DHS released an order for 25 Million 12 gauge shotgun shells. of which 15 million are 12 gauge slugs and the remaining 10 million are 00 buck 12 gauge shells. Just screams deer hunting doesn't it?
Obviously such a large governmental order will reduce public availability of 12 gauge ammo, especially when one considers that the "RIO" shotgun ammunition production facility in Tennessee just had a rather large explosion, resulting in 1 fatality and multiple injuries.
So, maybe its also possible that DHS just doesn't want you to have easy access to 12 gauge ammo for the very same reasons they are ordering so much of it.
Sources:Shotgun Ammunition - Slug
Solicitation Number: HSBP1013R0078
Agency: Department of Homeland Security
Office: Customs and Border ProtectionLocation: Procurement Directorate - IN