I recently picked up a Remington 700 XCR Tactical in the 338 Lapua. I want to work up a load for long range elk hunting. I don't plan on shooting past 1000 yards until I get a little more familiar with this rifle. I wanted to know if any of you have had any experience with the barnes LRX. I emailed Barnes and they sent me some of their information. As of now I’m thinking either H1000, Retumbo or IMR 7828SSC. Any advice would be much appreciated.