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

  • COSC Wild Game Dinner – Saturday, March 25 at the COSC Clubhouse. Join us for food & fun, so get your tickets early.
  • Club By-Laws – If you wish to review the newly revised by-laws, review this pdf.
  • Please see the club newsletter on this site for our March 2017 news and updates on upcoming club activities.
  • Please visit the Join or Renew your COSC Membership link, above (current members, it’s time to get your renewal in for 2017 membership).
  • Is your home address up-to-date with our Membership Committee? If not, please let us know.