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Range Report Trim vs point meplat

Trim first to make meplats uniform, then point to increase BC. Trimming alone will decrease BC 2-3% as the meplat becomes larger. Pointing will then increase BC by 3-5%, so you end up 2-3 percentage points higher than doing nothing at all. How much any of that helps depends a lot on how uniform the bullets were to start with. The better and more consistent the lot, the less improvement you should expect to see.
 
I think the jury is still out on this. Some Benchrest shooters swear by it while others say they see no improvement at all. The primary reason for meplat trimming is consistency. In theory, it should close up groups. Both target shooters and hunter do it for better groups. The targets shooters will point after trimming to increase BC, while most hunters leave the meplat trimmed but open to help begin the process of expansion at slower velocities (longer distances). With some bullets it helps, while with other bullets there does not seem to be an improved expansion. Some are now trimming, then annealing the bullet tip. That seems to be the ticket for expansion at sub 1,800 velocities.