Police say Erik Koch, of Centerport, was arrested without incident Wednesday at Schuylkill Valley High School near Reading.
Police say the suspect sold an unloaded .38-caliber handgun an ammunition to a 15-year-old student for $20 and still had a loaded Smith & Wesson handgun in his book bag when he was arrested.
Koch told police he bought both guns for $100 from a man in Reading. Police later determined the guns had been stolen from Koch's grandfather.
School officials aren't commenting on any possible discipline by the school board. Online records don't list an attorney for Koch.
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Information from: Reading Eagle, http://www.readingeagle.com/
