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News

  • 9/1/10
    OP: Sudden Strike IV was a complete success!  Thanks for everyone who took the time and come out for this fun weekend.  All of the pictures and AAR will be online no later than 9/19/10.  Until then, check the forums for updates.

      8/22/10
    The weather report is looking good for OP: Sudden Strike IV.  Mostly sunny with a chance...

Latest News

OP: Sudden Strike IV Registration is now closed!

General registration for OP: Sudden Strike IV is now closed.  If you are a registered player please make sure to check the forum regularly for updated game information.

 

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...

Sudden Strike Title Sponsor

Colorado Milsim is honored to present Airsplat as the Title Sponsor for OP: Sudden Strike IV!

Sudden Strike IV Sponsors

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

FAQ's

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

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