Oregon Revised Statutes Procedure in Criminal Matters Generally § 131.625

(1) A peace officer may frisk a stopped person for dangerous or deadly weapons if the officer reasonably suspects that the person is armed and dangerous to the officer or other persons present.

(2) If, in the course of the frisk, the peace officer feels an object which the peace officer reasonably suspects is a dangerous or deadly weapon, the peace officer may take such action as is reasonably necessary to take possession of the weapon.