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Old January 8, 2009, 02:37 AM   #2
Senior Member
Join Date: November 6, 2001
Posts: 1,022
Not an expert but are you cleaning the rifles bore after each range trip? Then the next trip to the range are you shooting the 1st shot through a clean bore that might be oiled also. A clean oiled bore will throw the 1st shot off and some rifles takes more than a few rounds before things settle down. Velocity of the 1st round can be higher going thru a clean oiled barrel and would cause an impact slightly lower. Some match shooters I know do not clean the barrel until their groups open up or accuracy starts to fall off.
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