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Notice: This is a private range. Club membership is required to use these facilities.

Membership Application
Range Rules (PDF)
Steel Rules (PDF)

COSC is a family-friendly gun and archery members only club in Dimondale, Michigan promoting the safe and responsible use of firearms and archery activities in the Mid-Michigan area.

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

COSC 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, forests, waters, and wildlife.

  • See the October newsletter for all of the upcoming club activities. Be advised, activities are subject to cancellation due to weather or public health advisories from the State of Michigan. 
  • New 1-year and 5-year rates for NRA membership!
  • Clubhouse Rental (for Members Only) information can be found on our Clubhouse page.
  • To report lost or found items: cosclostandfound@gmail.com
  • Club By-Laws – If you wish to review the latest revised (Jan 11, 2021) by-laws,
    Bylaws January 11, 2021. 
  • Is your home address up-to-date with our Membership Committee? If not, please let us know.

Dimondale Holiday Craft Show

Friday, November 20th from 9am to 6pm & Saturday, November 21st from 9am to 4pm

COSC will once again be hosting the Village Crafter’s for the Dimondale City Wide Craft Show. There will be a variety of well made crafts to choose from. Come on out and take a look. The Village Crafter’s will also be collecting non-perishable for items, blankets and coats to donate to the Dimondale Food Bank.