The manufacturer's name, location, model name, caliber and serial number cannot be altered or removed without committing a felony.
From the BATFE's website under February
here:
"pursuant to Section 5861(g) of the
, it is unlawful
<q>to obliterate, remove, change, or alter the serial number or other identification of a firearm required by the chapter</q> as well as Section 5861(h) which makes it unlawful
<q>to
receive or possess a firearm having the serial number or other
identification required by this chapter obliterated, removed, changed,
or altered.</q> Section 5842 of the
requires that, each firearm manufactured imported or made be identified
by a serial number, the name of the manufacturer, importer or maker,
and
<q>other identification</q> as prescribed by the regulations. The
additional marking requirements are prescribed by 22 CFR 479.102, and
include the model of the firearm, caliber or gauge, name of the
manufacturer or importer of record, and the city and state of the
manufacturer who made the firearm or name of the country in which the
firearm was manufactured. Pursuant to section 5861(g) of the
, it a criminal offense for an individual to obliterate any of the required markings found on an
firearm."
The logo may not be considered the manufacturer's name as it's listed with the location of manufacture, but as for the rest none of it can be removed, altered or obscured.