HS Munitions, Inc., HSM, is a Montana based ammunition manufacturer committed to providing only the finest ammunition to shooters, hunters, law enforcement agencies and military units. Founded in 1968, HSM has grown to become one of the leading manufacturers of specialized ammunition products in the country.

When competition is tough and distances are far, the HSM .338 Lapua 300 grain Sierra MatchKing Hollow Point Boat Tail ammunition is the only choice. Tight tolerances and precise quality make HSM’s Match grade ammunition the best in the business with Sub-MOA ammo that will outperform all others. Matched with the powerful .338 Lapua, this ammunition is sure to reach out to the longest distances with little issue.

For the best selection of HSM ammunition at the best prices, shop Palmetto State Armory!

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Shipping Restrictions

It is the customer’s responsibility for understanding state laws regarding all purchases made. For a comprehensive list of all Shipping Restrictions, please refer to our Shipping Restrictions By State Page found Here.

If you live in AK, CA, CT, DC, HI, IL, MA, MD, NJ, or NY, please read our ammo shipping restrictions before placing your order.

You must be 18 years or older to purchase rifle ammunition.
You must be 21 years or older to purchase handgun ammunition.

All California ammunition orders need to be shipped to an FFL and will be charged a 25% restocking Fee. More CA Info

WARNING: Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).