Accessories manufacturer Kevin Kao, of Irvine, Calif., examines a military grade Remington Adaptive Combat Rifle at the  35th annual SHOT Show, Tuesday, Jan. 15, 2013, in Las Vegas. The National Shooting Sports Foundation was focusing its 35th annual SHOT Show on products and services new to what it calls a $4.1 billion industry, with a nod to a raging national debate over assault weapons.  (AP Photo/Julie Jacobson)
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