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I have a Remington 700 SF in 7mm ultra. I put a 8x32x56 nightforce on and sent it to a great local gunsmith for some acurizing. The gun is fantastic...

My question is, when I called the gun smith he told me that it shot really well with a group of .28" at 100 yards. I thought how is that possible because a 7mm right off the bat is .284". He showed me the test target and you could see a three-hole group. What I'm not sure of is what is the proper way to measure a group? The paper of the target that was pushed back by the bullet (still attached) was pushed back in which created a smaller hole. Then they measured the distance of the paper that was missing. Either way I am total satisfied...
 

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Dealing strictly with group size, I just measure the greatest distance outside to outside, and subtract the diameter of the bullet, resulting in a center-to center measurement.

Disclaimer....... I'm reasonably sure there are other ways, but I've used this one for years. Either way, as long as you're satisfied, that's all that counts.

Nice group, by the way. Here's 5 shots at 50 yds (.22 cal)

Jay
 
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