Are background checks required every time you purchase a firearm in Wisconsin?

Background checks are not always required when purchasing a firearm in Wisconsin. Option A is incorrect because background checks are not required every time; there are exceptions. Option B is incorrect because background checks may be required more than just the first time. Option D is incorrect because background checks are not required for all types of firearms, only for handguns. Option C is correct because background checks are not required for private sales in Wisconsin.