Buy 1776 USA Brass 10 mm Auto Bag of 100. 1776 USA honors the 56 Patriots who started a revolution and laid the foundation for our great nation. Munitions were an important part of the founding of the country and continue to be vital to maintain a free society. 1776 USA Components is a proud American-based company, and a leading manufacturer of components in the USA. These components are engineered and manufactured utilizing state-of-the-art machinery to produce best-in-class products. The largest manufacturers in the world trust 1776 Components and so can you.