Mar 19, 2013, 6:27am MDT Magpul preparing to leave Colorado Staff Denver Business Journal Magpul Industries Inc. of Boulder intends to "start out transition out of the state almost immediately" after Gov. John Hickenlooper signs into law a measure limiting the number of rounds allowed in magazines, KMGH-TV reports. The governor is expected to sign House Bill 1224 on Wednesday. The bill restricts to 15 the number of rounds a magazine can hold. But Magpul Industries makes 30-round magazines. The company's website said Magpul Industries has sold millions of its polymer magazines, or "PMAGs." Magpul Industries posted a lengthy note...