change of poi as gun warms up?

[Hodawg]

Originally Posted by DaFadda

My take is that when the gun.......and you......are cold.....poi will be diferent. Once you warm up.....not the gun....that is the diff in poi. Try having a friend warm up the gun for u....then shoot it urself..... Post the results for us?

A good suggestion for ruling out metallurgical factors.

[Dave Waits]

The only time you'll see a cold-bore change of impact is in a long-barreled gun like a rifle and normally, it's usually the first round out of the tube.