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Long Range Hunting & Shooting
Proof barrel Issue
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<blockquote data-quote="gerpwaller" data-source="post: 2923519" data-attributes="member: 103698"><p>These are factory loads, the TA measures 2600 fps over a lab radar and the gmm around 2650. I'm doing cold bore testing at the moment as that's where the accuracy issues seem to be so I'm only shooting 2 shots per day. From the few times I've shot the gun enough to get it warm/hot it seems to do much better with heat in the barrel (shrinks the groups in half). That's the part I'm struggling to understand. I will check it for stress as has been suggested and then also check it in the strike nuke chassis to verify that it is not a bedding issue. Thanks to everyone for their suggestions. I will clean the barrel before starting the gmm groups. It has roughly 60 rounds through it since it was last cleaned so it shouldn't be too bad yet.</p></blockquote><p></p>
[QUOTE="gerpwaller, post: 2923519, member: 103698"] These are factory loads, the TA measures 2600 fps over a lab radar and the gmm around 2650. I'm doing cold bore testing at the moment as that's where the accuracy issues seem to be so I'm only shooting 2 shots per day. From the few times I've shot the gun enough to get it warm/hot it seems to do much better with heat in the barrel (shrinks the groups in half). That's the part I'm struggling to understand. I will check it for stress as has been suggested and then also check it in the strike nuke chassis to verify that it is not a bedding issue. Thanks to everyone for their suggestions. I will clean the barrel before starting the gmm groups. It has roughly 60 rounds through it since it was last cleaned so it shouldn't be too bad yet. [/QUOTE]
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