I never trust stuff like this... So.. I called..
IT services at NRA say it is a legit domain, below is the whois but the NS entries are different, other than that, identical to NRA.ORG..
Domain Name:NRAHQ.ORG
Created On:20-Nov-1997 05:00:00 UTC
Last Updated On:11-Jul-2008 21:46:16 UTC
Expiration Date:19-Nov-2009 05:00:00 UTC
Sponsoring Registrar:Network Solutions LLC (R63-LROR)
Status:CLIENT TRANSFER PROHIBITED
Registrant ID:21448002-NSI
Registrant Name:NationalRifleAssociation of America
Registrant Organization:NationalRifleAssociation of America
Registrant Street1:11250 Waples Mill Road
Registrant Street2:
Registrant Street3:
Registrant City:Fairfax
Registrant State/Province:VA
Registrant Postal Code:22030
Registrant Country:US
Registrant Phone:+1.7032671514
Registrant Phone Ext.:
Registrant FAX:
Registrant FAX Ext.:
Registrant Email:webmaster@nrahq.org