Collectible Cartridges and related items only. Large Caliber INERT Ordnance Welcome. No Firearms. The Great Lakes Cartridge Show will be held on Jun 14th-15th, 2024 in Lansing, MI. This Lansing cartridge show is held at Royal Scot Golf & Bowl and hosted by Great Lakes Cartridge Show. All federal and local firearm laws and ordinances …

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