GunsHot Sheet

Denver bump stock ban clears first hurdle

Author: Adam McCoy - January 19, 2018 - Updated: February 15, 2018

A bump stock in action. (

A proposal that would ban bump stocks — the device used by the Las Vegas shooter in October to increase his weapons’ rate of fire — passed it first hurdle through the Denver City Council on Tuesday.

The legislation proposed by Denver Councilman Rafael Espinoza would amend the city’s existing ordinance banning assault weapons to make it illegal to sell, carry, store or otherwise possess a bump stock.

The City Council unanimously approved the measure after its first reading Tuesday. A final vote is expected next week.

Bump stocks replace an assault rifle’s standard stock and frees the weapon to slide back and forth rapidly, channeling the energy from the weapon’s recoil. That allows for more rapid fire, nearly that of a fully automatic weapon. The device is most notable for its use in the Las Vegas massacre — the deadliest mass shooting in modern U.S. history.

The legislation defines a bump stock as “any device for a pistol, rifle, or shotgun that increases the rate of fire achievable with such weapon by using energy from the recoil of the weapon to generate a reciprocating action that facilitates repeated activation of the trigger.”

The measure would also make it unlawful to have a magazine capable of holding more than 15 rounds. While the current limit is 21 in Denver, the change would bring the city into compliance with existing state law.

The penalty for violating the measure could carry up to 180 days in jail and $999 in fines.

Adam McCoy

Adam McCoy

Adam McCoy covers Denver-area politics for Colorado Politics.