• 06/1/12
    Early bird registration ends today, but normal registration will remain open until 6/21/12.

New Operation July 2012

Colorado Milsim is happy to announce that we will be hosting a new operation this year.  Details will be coming soon, but you can mark your calendar for July 20-22, 2012 as the dates have been confirmed.

Upcoming Events

Curious about Upcoming airsoft events? Check out Fox Airsoft or Airsoft Colorado for details on the latest games. Marketing on this site is run by Ethical SEO Consulting

About Colorado Milsim

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About Colorado Milsim

Colorado Milsim LLC., was formed in 2007 by entrepreneur Casey W. Meraz. with his partners Robert Daihl and Tom Allred, Colorado Milsim brings over 30 years of combined airsoft and leadership experience to the company. After attending over ten of the largest national events, run by six different organizers; Casey and his crew wanted to take the good organization, leadership, and ideas back to Colorado. With an extensive background in company leadership, operations, event organization, and small game hosting the dream came to life in 2007.  Read more...

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Sudden Strike III

Colorado Milsim Ruleset

Colorado Milsim uses the standard ASCO ruleset for all of our events.  Although some areas may be modified, they usually stay about 95% the same.

Read the Ruleset


Have a question you need answered?  Before sending the staff an email, please review the forums and the frequently answered questions below.

View the FAQ's