All 4 Gun-Control Measures Pass Colorado House They address high-capacity magazines, background checks, concealed weapons By Evann Gastaldo, Newser Staff Posted Feb 18, 2013 2:03 PM CST Updated Feb 19, 2013 10:45 AM CST 285 comments Comments John Jackson, co-owner of Capitol City Arms Supply shows off an AR-15 for sale Wednesday, Jan. 16, 2013, at his business in Springfield, Ill. (AP Photo/Seth Perlman) (Newser) – Colorado has taken the first step toward serious gun-control reform, with a package of four bills passing the state House yesterday, the Denver Post reports. The bills: Ban gun magazines with more than 15 rounds. Require all gun transactions to include a background check. Make gun buyers pay a fee to cover those background checks. Prohibit concealed weapons on college campuses. The state Senate is the next stop, but though it's controlled by Democrats, the votes may be close: Eighteen votes are needed for passage; the Democrats' majority is 20-15, and at least two Democrats are wavering. If they pass and are sent to Gov. John Hickenlooper, he has said he backs three of the four and is still reviewing the concealed-carry bill.