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Rifles, Reloading, Optics, Equipment
Reloading
Unfired brass?
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<blockquote data-quote="milo-2" data-source="post: 1768069" data-attributes="member: 33622"><p>You never mentioned if it was a new chamber, or just introducing new brass to one in use.</p><p>If it's a rifle you have been shooting, I'd probably fire the minimum amount of brass needed to finish off the barrel, then do load dev.</p><p>If it is a new rifle, the amount of brass you plan on putting into service would dictate how I'd go about doing it. If I only had 100 pcs of brass, I'd just find a fun load to shoot and break the barrel in at the same time, then do extensive load dev. </p><p>If I had 400 pcs, now you probably need to develop a load, when all brass is fired, make a determination if the load may need a tweak. In this scenario now there is less brass expansion and I will usually end up pulling .1-2gr of powder to keep it in the zone.</p><p>We all use different terminology, but unless you are reconfiguring brass, moving the shoulder, it is really not fireforming. Shooting new 243 brass in a 243 chamber, then FL sizing after, really is not a big deal. I have had some fantastic loads with new brass that held after being once fired. The speed up on a new barrel throws more people for a loop than once fired brass.</p></blockquote><p></p>
[QUOTE="milo-2, post: 1768069, member: 33622"] You never mentioned if it was a new chamber, or just introducing new brass to one in use. If it's a rifle you have been shooting, I'd probably fire the minimum amount of brass needed to finish off the barrel, then do load dev. If it is a new rifle, the amount of brass you plan on putting into service would dictate how I'd go about doing it. If I only had 100 pcs of brass, I'd just find a fun load to shoot and break the barrel in at the same time, then do extensive load dev. If I had 400 pcs, now you probably need to develop a load, when all brass is fired, make a determination if the load may need a tweak. In this scenario now there is less brass expansion and I will usually end up pulling .1-2gr of powder to keep it in the zone. We all use different terminology, but unless you are reconfiguring brass, moving the shoulder, it is really not fireforming. Shooting new 243 brass in a 243 chamber, then FL sizing after, really is not a big deal. I have had some fantastic loads with new brass that held after being once fired. The speed up on a new barrel throws more people for a loop than once fired brass. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Unfired brass?
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