Their requirement seems to be rather open and can be fulfilled by different means (see the link below). The focus seems to be on there being a
to the training.
with the listed categories. NRA also has a list of NRA-certified instructors for their Basic Pistol course.
Issuance of concealed handgun license
...(f) Demonstrates competence with a handgun by any one of the following:
(A) Completion of any hunter education or hunter safety course approved by the State Department of Fish and Wildlife or a similar agency of another state if handgun safety was a component of the course;
(B) Completion of any National Rifle Association firearms safety or training course if handgun safety was a component of the course;
(C) Completion of any firearms safety or training course or class available to the general public offered by law enforcement, community college, or private or public institution or organization or firearms training school utilizing instructors certified by the National Rifle Association or a law enforcement agency if handgun safety was a component of the course;
(D) Completion of any law enforcement firearms safety or training course or class offered for security guards, investigators, reserve law enforcement officers or any other law enforcement officers if handgun safety was a component of the course;
(E) Presents evidence of equivalent experience with a handgun through participation in organized shooting competition or military service;
(F) Is licensed or has been licensed to carry a firearm in this state, unless the license has been revoked; or
(G) Completion of any firearms training or safety course or class conducted by a firearms instructor certified by a law enforcement agency or the National Rifle Association if handgun safety was a component of the course;...
; there might be some variability in Oregon law enforcement policies by region and Grant County (the one in Oregon) appears to be friendly to non-residents. The entire Oregon