Re: 1/14 Twist .308 It is more suited to the newer 155 class of bullets, ie: Berger 155.5 Fullbore, Sierra 155 (2156) Palma and the Berger 155 Hybrid. But works good with the older ones too, since the generally jump well! I would say that it is a good chamber for the Berger 155VLD too, but I...