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Rifles, Reloading, Optics, Equipment
Reloading
I need some help from the reloading gurus.
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<blockquote data-quote="Louisiana Reloader" data-source="post: 2786912" data-attributes="member: 123382"><p>I think you are on the right track by weighing the brass to check the internal volume differences. Additionally, it would be very nice to have chrono data for both loads to see what differences you are getting there also. Typically, Lapua brass is thicker and builds up pressure faster (with the same charge weight) than say your factory brands of brass--I know it is thicker and more rigid than Nosler brass....Nosler brass is soft. However, I have not used Federal brass in many years so I do not really have good information when comparing it to Lapua. There is definitely a pressure difference in the two and how radical that is I do not know--the chrono would help tell you some of that as well as some signs that could be on the brass. Lots of good advice has been given and I agree: I would continue to shoot what you have and not worry too much about the 3/4 MOA and see if they tighten up. BUT.....I would definitely try to get some chrono numbers--especially if you could load up the same loads again with the Federal brass and compare it to the Lapua brass velocities. Hope this helps.</p></blockquote><p></p>
[QUOTE="Louisiana Reloader, post: 2786912, member: 123382"] I think you are on the right track by weighing the brass to check the internal volume differences. Additionally, it would be very nice to have chrono data for both loads to see what differences you are getting there also. Typically, Lapua brass is thicker and builds up pressure faster (with the same charge weight) than say your factory brands of brass--I know it is thicker and more rigid than Nosler brass....Nosler brass is soft. However, I have not used Federal brass in many years so I do not really have good information when comparing it to Lapua. There is definitely a pressure difference in the two and how radical that is I do not know--the chrono would help tell you some of that as well as some signs that could be on the brass. Lots of good advice has been given and I agree: I would continue to shoot what you have and not worry too much about the 3/4 MOA and see if they tighten up. BUT.....I would definitely try to get some chrono numbers--especially if you could load up the same loads again with the Federal brass and compare it to the Lapua brass velocities. Hope this helps. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
I need some help from the reloading gurus.
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