Photo from the ATF letter. Sig Sauer never contended that the muzzle brake would not function as part of a gun muffler/silencer/suppressor Sig Sauer, Inc., the well respected firearms manufacturer, has filed suit against B. Todd Jones as the Director of the ATF for ruling that the muzzle brake that they submitted for evaluation is "a part intended only for use in the assembly or fabrication of a silencer and therefore is a silencer..." as defined in U.S. statutes. The case document can be read here. It is nine pages long, and makes a fascinating read. Sig Sauer Inc.,...
