Welcome to Chief Okemos Sportsman’s Club!

COSC is a family-friendly gun and archery club in Dimondale, Michigan, located about 15 minutes west of Lansing.


To promote the safe and responsible use of firearms and archery activities in the Mid-Michigan area

C.O.S.C. Pledge

I give my pledge as an American to save and faithfully defend from waste the natural resources of my country, its air, soil, and materials, its forests, waters and wildlife.

Join or Renew your COSC Membership

 Club News

  • It’s nearly time for the annual Wild Game Dinner! Mark your calendar for Saturday, March 24th and join us for an evening of great food, friends, and prizes.  Tickets are only $15 per person and children 12 and under are free.
  • It’s time to think about Jr. and Ladies Trap for the upcoming season. Our Basic Shotgun Class will be held on Saturday, April 14th. Visit the Jr. and Ladies Trap page for details. Girls, boys, and women who are interested in learning trap shooting should sign up. You do not need to be a member of the club to take this class or shoot in this program.
  • Looking for a Spring Hunter’s Ed class for your kid(s) or yourself? We have a two-day course coming up in April.
  • Please see the club newsletter on this site for our March 2018 news with updates on upcoming club activities.
  • Lot’s going on with Turkey Shoot,registration for Basic Shotgun Class for Jrs. & Ladies Trap, and more. See the latest newsletter for dates and times.
  • Clubhouse Rental (Members Only) information can be found on our Clubhouse page.
  • Club By-Laws – If you wish to review the newly revised (Jan 8, 2018) by-laws, review this pdf.
  • Is your home address up-to-date with our Membership Committee? If not, please let us know.