Remington Arms Company, LLC was an American manufacturer of firearms and ammunition, now broken into two companies, each bearing the Remington name. The firearms manufacturer is Remington Arms. The ammunition business is simply called Remington.

The company which was broken up was called Remington Outdoor Company.

Founded in 1816 by Eliphalet Remington (as E. Remington and Sons) in Ilion, New York, it was one of the oldest gun makers in the US and claimed to be the oldest factory in the US that still made its original product.^[3] The company was the largest rifle manufacturer in North America according to 2015 ATF statistics.^[4][5] The company developed or adopted more cartridges than any other gun maker or ammunition manufacturer in the world.