I've always thought the best use of a 3 shot group in load development is to exclude a load.
3 shots into 15mm might grow as more rounds are fired, but a 40 or 50mm 3 shot group will never get smaller if you fire more rounds into it.
I've always thought the best use of a 3 shot group in load development is to exclude a load.
3 shots into 15mm might grow as more rounds are fired, but a 40 or 50mm 3 shot group will never get smaller if you fire more rounds into it.
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