Re: 6.5-284 140 or 142SMK\'s?????
The tech guy a sierra told me that the 140smk was designed for the foreign service rifle folks that shoot the 6.5-55 in swede rifles, the twist is too slow for the 142smk and the 140 was shorter to make them fly right. I am having real good luck with the 140 amax, but have been told that the 147 clinch river was shoting the best in several of the 6.5-284s that Billy Stevens has built. ebb