Quote:
Originally Posted by elkhunter11
I did notice that the first shot out of a freshly cleaned barrel does not group as well in some rifles, but it isn't noticeable with other rifles. Watching the chronograph, the first shot out of a clean barrel, is sometimes slightly lower out of a freshly cleaned barrel, how much lower depends on the rifle.
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I put through the chrony it once and it was a 110 f.s drop in a speed for a first shot out of 'oiled" barrel .
It was 2 1/2 inches lower at 300m also .
Less pressure due to the oil does those things I guess.
S12