Democrats, Republicans push compromise bill to ban bump stocks after Las Vegas

The bill is being introduced by Reps. Seth Moulton and Rep Carlos Curbelo.

— -- A bipartisan pair of House members has introduced a ban on the bump stock devices used to speed up the rate of fire of semi-automatic weapons –- an accessory used by the Las Vegas shooter last week.

Democrats, led by Reps. David Cicilline, D-Rhode Island and Dina Titus, D-Nevada have put forward their own proposal that would similarly ban bump stocks, and punish bump-stock users with ten years in prison.

The Curbelo-Moulton bill would put in place a fine or up to five years in prison for any violations. It also directs the U.S. Sentencing Commission to beef up penalties for anyone caught using a bump stock. It would also recommend additional penalties for anyone caught smuggling bump-stocks into the United States.

Titus, who represents most of Las Vegas, criticized the bipartisan bill in a statement Tuesday.

"Rep. Curbelo’s bill almost mirrors the Automatic Gunfire Prevention Act, but it carries weaker penalties for criminal violators. There is no reason to undermine our position at this point just to satisfy the NRA," Titus said in a statement.

Moulton rejected the criticism in a brief interview Tuesday.

"I don’t think that’s accurate at all," he said. "I hope she reaches out to me."

"Our bill gives very specific guidelines to the sentencing commission and suggests that they have enhanced penalties for drug crimes, for violent offenses and it also includes penalties for smuggling which is something that experts expects will happen if we are successful at outlawing bump stocks," he said. "Most important, our bill is bipartisan and I think that is the way gun reform needs to happen."

Talk of regulating and restricting bump stocks was unheard of on Capitol Hill before the deadliest shooting in U.S. history. Now, lawmakers are divided over addressing the use of bump stocks using regulation or legislation.

"I think the ATF can do this quickly -- they can make a determination. If they drag their heels on it as we say in the letter, we’ll look at legislation solutions,” Kinzinger, a gun owner, told reporters last week.

”Was it a regulatory misstep by ATF several years ago?” he said last week. “We all know fully automated weapons are illegal and so is this a big gap that needs to be closed? And if so, how to close it? We are all beginning to go through that analysis."

In 2010, the ATF determined that bump stocks did not meet the required criteria to merit regulation under the Gun Control Act or the National Firearms Act, because they do not technically turn semiautomatic firearms into machine guns.

David Chipman, a former ATF agent now advising the gun-control group Americans for Responsible Solutions, said it's unlikely the ATF overturns its earlier decision, given the agency's reluctance to appear political.

Gun control advocates argue that a favorable ruling by the ATF would also be a more narrow solution than legislation, which could also cover devices similar to bump stocks.

The ATF had no comment.

ABC's Mike Levine and Jack Date contributed to this report.

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