Can I Bring Brass Knuckles on a Plane to United States?
Brass Knuckles
Allowed
Checked only
According to TSA guidelines, although these items can be placed in your checked baggage, they are still illegal in some states. Should the bag need to be opened for some reason and there is an illegal item in the bag, TSA will be required to report it to local law enforcement.
The final decision rests with the TSA officer on whether an item is allowed through the checkpoint. Official TSA Rules →
Quick Rule
Carry-on baggage
Not Permitted
Checked baggage
Allowed
TSA Officer
Makes the final decision
Source: Official TSA Regulations ↗Updated: May 20, 2026
Accurate
Information from official airline & aviation sources
Fast
Get answers in seconds
Global
Integrating new airline guidelines and regional rules
Trusted
Used by travelers worldwide
More Weapons & Firearms
View all →
Ammunition
Carry-on
Not PermittedChecked
Restrictions Apply
BB Guns
Carry-on
Not PermittedChecked
Restrictions Apply
Billy Clubs
Carry-on
Not PermittedChecked
Allowed
Black Jacks (Self-Defense Weapons)
Carry-on
Not PermittedChecked
Allowed
Compressed Air Guns
Carry-on
Not PermittedChecked
Restrictions Apply
Firearms, Firearm Silencers/Suppressors
Carry-on
Not PermittedChecked
Restrictions Apply(with details on battery types)