Re: 6.5 Grendel Help The Grendel would not be the best choice for longer distances, unless you are restricted to fit in an AR magazine. Even then, the .243 LBC (necked down to 6mm from 6.5mm) would be worthwhile to consider. 6.5/6 Creedmoor, 6.5-284, 7mmWSM, etc. give better velocity. I...