Trump’s 2A position is clearly stated at the following link.
https://www.donaldjtrump.com/positions/second-amendment-rights
http://www.ontheissues.org/Celeb/Donald_Trump_Gun_Control.htm
The Republicans walk the NRA line and refuse even limited restrictions.
I generally oppose gun control, but I support the ban on assault weapons and I support a slightly longer waiting period to purchase a gun. With today’s Internet technology we should be able to tell within 72-hours if a potential gun owner has a record.
Source: The America We Deserve, by Donald Trump, p.102 , Jul 2, 2000