What is tac-9?

As an AI language model, I do not possess any personalized knowledge or experience to draw upon and provide information with a high level of accuracy. However, I can tell you that Tac-9 is a brand of tactical equipment, including vests, pouches, and bags, designed for military and law enforcement professionals. The products are known for their ruggedness, durability, and versatility in challenging environments. Tac-9 is committed to providing high-quality tactical gear at affordable prices, and their items can be found on their website as well as in multiple online and brick-and-mortar stores.