Fire forming.

.308--win

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OK, I know this as been asked a 1000 times already, but I"m kinda new to loading and have some new brass that I'm going to be using pretty soon, Here is my question: Should I fire form the new brass? or just load my fave. hunting load and go? They have been sized and trimed. Thanks!

Perry
 
new brass,

if you bought them from a store ya they are allready trimmed, no need to do anything to them just load and go,

if they are used bras and sized and trimmed get a hair pin{ ruber goop on the ends removed }or a wire that can you fold over to make a bit of a pick on the end so you can stick it in the case mouth , stick it in to the case head and feel for a bur catching the pick if you feel it scrap the bras , case head is starting to separate ,
 
Load them and shoot them if there new,

They will fire form to your chamber , If you are going to neck size them next, dont expect accuracy to be so much better than full sized loads in a factory chamber. Played the game way to much when i shot BR guns, and carried it over to my Tactical stuff, and just ended up full sizing trimming and going with that game,, with very little accuracy change. I was just shooting to much to fiddle with every load.
Maybe off topic here but i think this is the road your going down. becauce god help me i did and it was fun but i dont have 24/7 to reload 100s or rounds and a time.

Find a full sized load that shoots sub moa, at 100 y
Use a powder that meters well, unless you want to wieght out every load
Set up load at a good seating depth off the lands for easy chambering,and have fun and you dont have to worry about stick brass not chambering at the range.

Just some advice i can lend over many years of loading.

Some other advice for a new reloader ( like i say off topic) is dont expect to much out of a hunting load for accuracy vs a match load, however it does happen some times that you come up with something great! Dont expect to much from a hunting rifle either, however you do find an exceptional accurate plan jane rifle as well, It happens, lol

And have fun relax, dont get frustrated, and enjoy!!
 
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A lot of new unfired brass does need to be trimmed and sized, before loading, but don't bother fireforming it; load and go. There is no reason to waste components and barrel life.
 
Fire forming is when you're making one case out of another. Converting .243 Win to .243 AI, for example. All you need to do with new brass is size, trim and chamfer and deburr the case mouths.
 
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