Anyone using Benchmark for anything heavier than a 107, like the 120 or 123's
Benchmark Powder
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I tried it with 123 Scenar bullets, and just didn't get the accuracy I hoped for. I went back to W748 and AA2520. And ball powders meter so much better too. With ball powders, I can just throw the charges. Benchmark had to be individually measured to get consistent weights. Even with measuring each round, the accuracy just wasn't good enough with Benchmark for me.
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My first test loads for the Grendel were with XBR and Benchmark. I did shoot one group at 300 yds. with Benchmark that measured just under 1.250", but XBR would do about the same. Over the next few weeks XBR showed the most consistency in my rifle. That Benchmark load was 26.9 grs.- 123 SMK- cci Br4- Lapua brass.
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