17 gn. or 20 gn. for the HMR ?
#4
Join Date: Jan 2006
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Posts: 368
RE: 17 gn. or 20 gn. for the HMR ?
There will be ponit of impact differences. I wouldn't worry about breaking the rifle in, ive had my .17 for 3 or 4 years and ive shot a couple hundred rounds through it and it shoots the same now as the first group it fired.