Is the American public really unaware that grenades and rockets have long been restricted under the National Firearms Act?

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This hyperbole ignores the basic fact that grenades and rockets have been restricted under the National Firearms Act for a long time.

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In the 1930s, the National Firearms Act was an attempt to curb the use of sawn-off shotguns, which had become popular with the mob during prohibition.

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Amid America's ongoing gun debate in the wake of the shootings at Sandy Hook Elementary School in Newtown, Connecticut, US congressman Steve Israel recently called for a ban on 3D guns under the Undetectable Firearms Act.

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If voted into law, the Stop Illegal Trafficking in Firearms Act of 2013, would slap anyone caught purchasing a firearm or ammunition with the intent of illegally transferring it to someone else with jail time and a large fine.

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Earlier this week Wilson posted a video online showing a single shot being fired from "The Liberator, " a plastic handgun that, with the exception of a metal firing pin and a piece of metal included to comply with the Undetectable Firearms Act, was assembled entirely from parts made with a 3-D printer.

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In the aftermath of the incident, Parliament introduced tighter restrictions on gun ownership with the Firearms (Amendment) Act 1988.

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Last week, The Washington Post reported on a little-known provision added to the 2010 Affordable Care Act -- better known as Obamacare -- limiting what doctors can ask their patients about firearms in the home.

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