ATF has recently received information regarding incidents in which certain explosive devices
(e.g., flashbang grenades, smoke grenades) were used against law enforcement officers or for
other criminal purposes. Additionally, ATF has received evidence that such devices have caused
wildfires resulting in extensive damage to property and danger to the public. Based on these
public safety concerns, ATF has determined that these explosive devices pose a risk to public
safety and rescinded the SED exemptions for the products listed in Figure 1.

List of Previously Exempt Special Explosive Devices
Device Description — Department of Transportation EX Number
M11, M12, M13 Devices — EX2015020101
M10 Devices — EX2015020084
MC-18 Smoke Grenades — EX2017122029
EG67 Powder and Confetti Bombs — EX2020082412; EX2020082413
EM55 Emergency Smoke Devices — EX2017040307; EX2017040290
Mil-X Smoke Devices — EX2014020114; EX2014020235
EL55 Electric Smoke Devices — EX2017010539; EX2017020010
EG67 Ball Grenades — EX2015100576
Wire Pull Paint Grenades — EX2015111073
EG18X Smoke Signals — EX2015020398; EX2015020437