NAGR will lie, obfuscate the truth and deceive to get you to donate. They have little credibility in the gun community and zero on Capitol Hill.
Here's an excellent thread on AR15 where Dudley Brown is exposed for what he is:
Need a FFL in Dallas/Plano/Allen/Frisco/McKinney ? Just EMAIL me. $20 transfers ($10 for CHL, active military,police,fire or schoolteachers)
Plano, Texas...........the Gun Nut Capitol of Gun Culture, USA https://www.youtube.com/watch?v=pELwCqz2JfE