Barrel warmer?

So I take the action out of the stock to do a few mods to the sling and bipod attachment then get a call about a goat cull . Put the action back in, torque it back up and off we go. First shots a sitter, and a miss! next 3 ok. Wander on bout 15 minutes later find the mob again 1st shot blows a horn off. On the way home put up a quick target and used my last 3 rounds.
At 100 "yards" round 1out of a cold barrel is 40 mm high rounds 2 & 3 are dead on. Got home and checked my old zero targets no first round fliers, recheck the torque its ok so I'm stumped any ideas anyone. Should add the actions bedded, cals 223

Could it not be sitting in the stock flush?

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Originally Posted by 199p

Could it not be sitting in the stock flush?

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Yip, or something putting pressure on the barrel ?
If it shot OK before, it's something to do with the way the action is siting in the stock now.
Have a look, and let us know what you find.

Had to do a little load up this morning then took the action out again, some filings were sitting on the bedding block, blew them out and refitted. Just come back from doing a verification, too bloody hot outside now, and were back to normal service thanks.

Good result, you've earned a beer :thumbsup: