BULK ITEMS ARE ONLINE ONLY, Items on website does not reflect in-store availability




MCS has removed firearm sales from our website. The step was taken to ensure we would not have to change our merchant code ID with our credit card processors. Transactions on our website are classified as sporting goods.


For local pick up orders, please input our address - 647 S Gilbert St, Castle Rock CO 80104
Free shipping on all orders over $400! No code required!
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    We'd love to hear from you! Fill out the form to contact us regarding orders, or any ammo related questions.

    Order Questions:
    Customer Support is available by phone Mon-Fri 9:00am to 5:00pm MST to help you! We can be reached at: 303-495-6995.

    Mountain City Supply LLC
    607 S Gilbert St Ste 102
    Castle Rock, CO 80104 US
    Customer Service: 303-495-6995
    Contact Mountain City Supply Form