I use these to good effect in an 18inch barrel with cfe223. I only shoot them at 100m so nothing validated. Someone who ought to know said the ,520bc was a bit ambitous and he figured them for ,477
I use these to good effect in an 18inch barrel with cfe223. I only shoot them at 100m so nothing validated. Someone who ought to know said the ,520bc was a bit ambitous and he figured them for ,477
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