Agreed. The State's Constitution says the following:
Art II, Sec. 6. [Right to bear arms.]
No law shall abridge the right of the citizen to keep and bear arms for security and defense, for lawful hunting and recreational use and for other lawful purposes, but nothing herein shall be held to permit the carrying of concealed weapons. No municipality or county shall regulate, in any way, an incident of the right to keep and bear arms.
Correct.
They have no constitutional authority to block this legal commerce.
New Mexico State CONSTITUTIONAL PROVISION, and the Law.
STATE CONSTITUTIONAL PROVISION
“No law shall abridge the right of the citizen to keep and bear arms
for security and defense, for lawful hunting and recreational use
and for other lawful purposes, but nothing herein shall be held
to permit the carrying of concealed weapons. No municipality
or county shall regulate, in any way, an incident of the right to
keep and bear arms.” Article II, Section 6.
PURCHASE
No state permit is required to purchase a rifle, shotgun or
handgun. Residents of states contiguous to New Mexico may
purchase firearms in New Mexico. Residents of New Mexico
may purchase firearms in states contiguous to New Mexico.
POSSESSION
No state permit is required to possess a rifle, shotgun or
handgun.
It is unlawful for a person under 19 to possess or
transport a handgun, except when the person is: (1) attending
a hunter’s or handgun safety course; (2) engaged in target
shooting or in organized competition; (3) legal hunting or
trapping; (4) participating in or practicing for a performance
by a nonprofit organization formed under I.R.S. Code € 501(c)
(3); (5) traveling with an unloaded handgun to or from one of
the above activities; (6) on real property under the control of
the person’s parent, grandparent, or guardian and while under
their supervision.