firearm muffler
Defined in 2 dictionaries — Case Law, U.S. Code
Definitions from Case Law
United States Supreme Court
any device for silencing, muffling, or diminishing the report of a portable firearm, including any combination of parts, designed or redesigned, and intended for use in assembling or fabricating a firearm silencer or firearm muffler, and any part intended only for use in such assembly or fabrication.
Defined by the Supreme Court in United States v. Thompson/center Arms Company, 504 U.S. 505 (1992).
United States Code
18 U.S.C. § 921 — as used in this chapter
The terms “firearm silencer” and “firearm muffler” mean any device for silencing, muffling, or diminishing the report of a portable firearm, including any combination of parts, designed or redesigned, and intended for use in assembling or fabricating a firearm silencer or firearm muffler, and any part intended only for use in such assembly or fabrication.