This is top of the line, American-made ammo - it doesn't get any better than this for personal protection. Designed for Law Enforcement and occasionally made available to the general public through police trade-ins.
"Certain ammunition makers have decided certain products of theirs are only for the law enforcement market. Since ammunition makers don't sell directly to the public, product has to go through distributors. Some of those distributors have an agreement with the ammunition maker in question to only sell that ammunition to law enforcement agencies and personnel. However, some stores are able to get it in stock and don't have the agreement so they sell to whomever they want. If you're keen to have one of those brands of bullets found in many duty guns that's how you'd get it.." Continue reading at: http://gunbelts.com/blog/is-law-enforcement-ammunition-different/
Vista, makers of Federal ammo: "Our HST ammunition is available to all customers. We're proud to offer competitive products and pricing based on technology, value and pursuit. The industry standard 50-round Law Enforcement packs are and always have been offered to the LE channel to meet their needs. There are often sales that occur outside of our direct customer channels that provide excess inventory of these packs to the commercial market. " AR15.com
"Good Morning:
I would like to know where you are obtaining our LE packaged Federal and Speer ammunition for sale on your internet site? It is wreaking havoc with our commercial distribution.
Respectfully,
Vista Outdoor"