Lesson learned

[Canuckenstein]

Just got some virgin Norma brass measured the length for trimming. Varied .002-.004 however I took 10 pieces and resized with my forster national match die. All measured a perfect 2.005.

I can’t believe how much factory annealing varied the overall length.

jon

 

[JEFFPPC]

Its normal to lengthen when sized. The fact they ended up the same....you shoulda bought a lottery ticket instead of reloading that day.

 

[Canuckenstein]

Its normal to lengthen when sized. The fact they ended up the same....you shoulda bought a lottery ticket instead of reloading that day.

Very consistent brass so far. Still have 400 more rounds to size. Just did 100 last night. Then remeasure and trim.

Lottery ticket ha I can’t afford it after buying that brass. The wife is angry lol.

 

[JEFFPPC]

Never forget..?..Happy wife, happy life.

 

[std7mag]

I Never thought to measure the length of new brass.
My practice is uniform primer pockets, size, trim (if needed), camfer & deburr, uniform/deburr flash holes, load.

When i first built my 284 Win, there was a sad lack of factory headstamped brass available at that time. 6.5-284 was pick your flavor.
I got 100 Norma cases at $155 by the time taxes & shipping was done.
Now i can buy Lapua for cheaper.

Remember, if Momma ain't happy, ain't nobody happy!

 

[divingin]

Just got some virgin Norma brass measured the length for trimming. Varied .002-.004 however I took 10 pieces and resized with my forster national match die. All measured a perfect 2.005.

I can’t believe how much factory annealing varied the overall length.

jon

Curious as to why you think it was annealing that caused the variation?...