Gents,
I would like some advice regarding my No1MkIII*
Last week I used it for a competition at 200 metres. The first 5 practice shot's were on target, the next 10 shots were good (for me) scoring 79/100, but slightly lower than the practice group. However the second series of 10 had a noticeably lower impact position,(dropping into the white zone) while remaining a reasonable group size, it was only worth 64 points.
There was approximately 5 minutes between each series (5 then 10 then 10) and the shots fired within 3 minutes.
Could this vertical drop of POI be caused by the barrel heating up? If so, is there a remedy?
The rifle has a new barrel (old stock) with about 200 rounds through it. The wood is well fitted and the nose cap pad spring is new.
What do you guys think!
Thanks, Shaun
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