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Discussion Starter #1
I'm new to high powered rifle shooting and hopefully I haven't overlooked this question being asked before, but what kind of p.o.i. changes are common between shots as the barrel is warming up? I'm asking because I have shot a savage le package before and the first shot of the day is usually 1.5-2.5 inches off of where the rest of the shots are and I don't know if it is similar with all rifles. Also, the rifle had quite a lot of oil in the bore so could it possibly be because it is blowing the oil out on the first shot? Thanks for any info.
 

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Well, every rifle is different. I've seen some that are 1 - 1.5 MOA, and others that do not shift at all. If you were shooting at 100m (or yards) then that seems on the high side. If there was heavy oil, it could have affected it.

MEL
 

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My tac rifle shoots 1/2" high first few shots. After that it gets to be around 1/4" - 3/8" MOA. I was going to scan some pics of my range target, but my darn scanner had a buncha corruptions when installing. I digress...
 

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My Patriot Arms .308 is dead on with the cold bore shot (assuming the dummy on the trigger does his part);

My Hammonds custom .308 is about 1/2 inch high and 1/2 left (what is that all about???) from 200 and about 1 inch high and an inch left from 300 with the cold bore.
 

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its more common for there to be a shift, then for there not to be one. Its just physics. As the barrel heats up, the metal expands, and as such moves ever so slightly. Sometimes not noticably, other times, very noticably. Kryo might help a little

MEL
 

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Discussion Starter #6
Thanks for the input guys. Next time I will make sure to run a dry patch through there first just to see if the oil makes a difference.
 
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