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Very sorry I was wrong it a 22” barrel, what someone mind running the numbers again with longer barrel

In regards to case sizing, was I right to size brass to bump shoulder back .002” allowing for a bolt fall with no resistance or should I have left longer so bolt closes with minimum pressure while...

I will check for carbon ring with bore scope today. With velocity being no higher than previous is it possible this could be a head space issue?

Velocity is 2820 fps, when looking at book data wouldn’t that be for sammi spec OAL?

193761

Id say you are right, original charge would have been up near the max then add in different gear, different room where loading.
If the brass was only neck sized previously then i have FL sized...

Difference in in web is .001 bigger than sized case, brass has been trimmed. Loaded rounds had no friction apart from the ones that were just touching the lands

Same brass only difference it has been cleaned and amp annealed, same batch of powder, temp was no higher than normal. Gave the chamber and bore a good workout before taking chamber and oal...

Need someone advice here lads. Have done my first loads for the 284 and am seeing swipe marks on most of the brass, can open bolt but very sticky at top. I have shot this load for a few hundred...