“But in the past couple of years, the NRA has also turned to deep-pocketed conservative allies. Last year an organization allied with the donor network of billionaire brothers Charles and David Koch gave between $2 million and $3 million to the NRA’s election efforts, according to two Republican fundraisers familiar with the gun group’s campaign work. The gift, said one of the fundraisers, was seen as a smart investment beyond what the Koch-affiliated Americans for Prosperity was already doing to boost conservative turnout. (The NRA did not respond to requests for comment on this story.)”