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				Colorado, which has seen some of the country’s worst mass 
				shootings — including the 2022 killings at the LGBTQ+ nightspot 
				Club Q in Colorado Springs and the 1999 Columbine High School 
				massacre — joins nearly a dozen other states in requiring some 
				level of safety training or an exam to purchase a firearm.
 One of the most restrictive gun control measures to be passed in 
				the state as part of a long-running Democratic campaign to 
				curtail gun violence, the law takes full effect in August 2026.
 
 “We can’t afford not to do all we can to change the continuing 
				impact of gun violence,” said bill sponsor and state Sen. Tom 
				Sullivan, whose son, Alex, was killed in a 2013 shooting at a 
				theater in Aurora. Speaking at the bill signing, he added that 
				the measure is “just the next step we have undertaken on that 
				effort.”
 
 Republicans and other opponents contend that the measure 
				violates the Second Amendment, and at last one organization, 
				Rocky Mountain Gun owners, was considering a legal challenge.
 
 The several layers of hurdles that the law requires to purchase 
				these guns, and the accompanying costs and potential backlogs, 
				make “it a more or less administrative ban,” said Ian Escalante, 
				executive director of the gun rights group.
 
 Previous attempts at securing an all-out ban on certain 
				semiautomatic guns, as has been done in deeply Democratic states 
				including New York and California, floundered in more purple 
				Colorado where many including the governor have something of a 
				libertarian streak.
 
 “I really think this bill will make Colorado communities safer 
				and prevent both accidents as well as reduce gun violence, and 
				ultimately that means saving lives while protecting our Second 
				Amendment rights,” Polis said.
 
 The proposal was watered down from a flat ban on sale of most 
				semiautomatics with detachable magazines, including rifles and 
				some pistols. Proponents argued that allowing only permanently 
				attached magazines would force a would-be shooter to reload 
				bullet by bullet.
 
 The final bill as signed is a concession to Polis and other 
				Democrats wary of going too far.
 
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