06-23-2022, 08:39 PM
Couple of barrels (which I did not keep) had chambers (I realize that's not your exact problem here) that would allow too-long of OAL's, firing them caused the brass to over-stretch, especially when compared to the other ones I had in hand. Others have reported on OAL's/chambers that appeared to be tight, but I've not had any myself. If you can get the powder in it and it shoots well, all well and good I reckon.
There are a couple of studies in Precision rifle blog/ accurate shooter that talk about the lands moving out ~0.005 give or take for every 100 shots fired... due to the fire/ablation of the throat during the firing; so it could perhaps loosen up after a couple hundred rounds for you.
There are a couple of studies in Precision rifle blog/ accurate shooter that talk about the lands moving out ~0.005 give or take for every 100 shots fired... due to the fire/ablation of the throat during the firing; so it could perhaps loosen up after a couple hundred rounds for you.
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