In less than a month, Google will be banning the advertisement of airsoft guns, paintball guns, bb guns and gun scopes, ammunition, ammunition clips or belts in September.
Google posted a preview of the change to their policy, which currently allows the advertisement of these goods on AdWords.
William Rock posted about this on Google+ and there are more complaints about this on Google AdWords Help.
The email sent to AdWords advertisers impacted by this was sent a month ago and read:
Of course, those impacted by this new policy are not happy.
Forum discussion at Google+ and Google AdWords Help.
Image credit to BigStockPhoto for painball gun