There are many articles regarding other things shown at the NRA Annual Meeting.
Hunting rifles - Guns.com has some pics of various hunting rifles that showed up on the exhibition, including Mossberg, Stoeger, Benelli, Henry, and Tikka.
St. George bullpup .50 BMG - If you want the range of .50 BMG round but compactness of a rifle, here's another one to looks at. 45 inches long, and $8,200
TacomHQ TARAC Image Shifting Lens Technology - This apparatus gives shooters new zero for 500 yards immediately just by flipping it up.
Springfield Armory's Chris Kyle Limited Edition TRP was auctioned off for $22,500
Random shots from The Firearm Blog, including Armscor .22 Magnum XT-22 pistol with floating barrel.
Collector's corner - Here's collection of historic firearms and some auxiliary stuffs