Does ATF have a list of specific “braces” that qualify in making a pistol into a short-barreled rifle (SBR)?

No. ATF regulates firearms as defined by the Gun Control Act of 1968 and National Firearms Act, and therefore, in general, ATF does not regulate accessories such as “stabilizing braces.” ATF will provide examples of both commercially available firearms sold with “stabilizing braces” and common weapon platforms equipped with “stabilizing braces” that are considered SBRs at ­

Last Reviewed March 23, 2023