Just got my parts dropped off at the GS for a light weight m700 308 hunting rifle. I went with a 20" Hart, .750" at the muzzle with a Remington contour. I want a short leade chamber and the only one he had on hand was a palma. I know they're designed for 150's, but i was wondering how a 168 would fair in this chamber? I want to keep my loads within mag length but with as little jump a possible. Any thoughts or advice?