I've owned both...neither one has any better of a stock than the other...The stevens I have in 243 is an awesome shooter with handloads..3/4 inch average groups of 3 at 100 yards...the ATR I had in 30.06 was a good shooter too...an inch or or slightly over with factory 165 grain ammo....
But I would sway him to a Stevens or a Savage...the stock is simple to fix up....i used Canadian Tire Spray on bedliner for a textured finish,then I "home camo'd" it....turned out to be pretty good as comapred the factory grey look
Not the best pics but it'll give a bit of an idea