Each branch of the military and each branch of many federal agencies carry firearms and train with firearms. The IRS has agents that carry firearms. Probably the largest users would be the Marines and Army.
The types of ammunition that can be bouoght at CCI Ammunition has no limits because they list thousands of sellers that provide every type of ammunition to the consumer for their convenience.
A term for a large amount of bullets is "ammunition stockpile" or "bullet cache."
According to 27 CFR 53.61(c), there is an 11% Federal excise tax on ammunition. However, this is already reflected in the shelf price of ammunition; there is no tax directly on the consumer purchasing ammunition.
Could you be a little more specific? There are lots of rifles considered large caliber, therefore there are all sorts of ammunition.
A consumer depends on a large amount of overstock and sales.
Consumer
Most of the ammunition made by manufacturers in this industry is sold to private consumers: 44 percent in 1992, up from 40 percent of industry sales in the 1980s.
large tree
large branch
Large gun stores, on line ammunition sales.
The large airways that branch off the trachea are the mainstem bronchi. These branch into progressively smaller bronchioles.
A large share of eBay is a consumer to consumer website. It is also a business to consumer and a business to business website.