Hunting Shack Munitions is a Montana based ammunition manufacturer that has been providing some of the finest ammunition to shooters, hunters, law enforcement agencies and military units for over 40 years! HSM was founded in 1968 and has grown to become one of the leading manufacturers of specialized ammunition products in the country. Made in the USA, and proud to be Veteran owned and operated. HSM .300 AAC ammunition is ideal for a variety of shooting and hunting applications. This ammo has moderate recoil and excellent accuracy that will satisfy all shooters. The Hunting Shack is committed to providing only the best ammunition with high quality components using state of the art processes.