They should be able to do adjustments, weather or not they do, thats the question. I have a regular Rem 700ADL and have adjusted the trigger to 3.8 lbs. As far as i know, all the 'x-mark pro' triggers are user adjustable.

"The X-MARK PRO trigger is 100% adjustable for pull weight by a factory authorized repair center and is designed to accommodate all products in the Model 700 and Model Seven™ families." (from www.remington.com)