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Hunting
Long Range Hunting & Shooting
I am very dissapointed with Berger bullets regarding the 338 hybrid bullet.
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<blockquote data-quote="Eric Stecker" data-source="post: 402364" data-attributes="member: 8908"><p>Pressure will vary with case volume but to what specifc extent is not in my frame of reference to say. It has been my experience and my understand from talking with some knowledgeable folks that as the COAL increases and you reduce pressure, velocity will go down but by how much involves more than I can comment on.</p><p> </p><p>Remember that "tuning" your load involves changing variables. Making your COAL longer allows you to add more powder. More powder means more velocity and possibly more pressure but not always. This depends on how much powder you add and how much you increase the volume in the case.</p><p> </p><p>A program that can show the affects of these changes is QuickLOAD. Run the calculations with the same powder charge but change the seating depth. You will see the pressure change. Then leave the COAL the same and change the powder charge to see the difference. Changing the powder charge to affect velocity and pressure is an obvious one but fewer people understand how COAL affects pressure and velocity.</p><p> </p><p>Regards,</p><p>Eric</p></blockquote><p></p>
[QUOTE="Eric Stecker, post: 402364, member: 8908"] Pressure will vary with case volume but to what specifc extent is not in my frame of reference to say. It has been my experience and my understand from talking with some knowledgeable folks that as the COAL increases and you reduce pressure, velocity will go down but by how much involves more than I can comment on. Remember that "tuning" your load involves changing variables. Making your COAL longer allows you to add more powder. More powder means more velocity and possibly more pressure but not always. This depends on how much powder you add and how much you increase the volume in the case. A program that can show the affects of these changes is QuickLOAD. Run the calculations with the same powder charge but change the seating depth. You will see the pressure change. Then leave the COAL the same and change the powder charge to see the difference. Changing the powder charge to affect velocity and pressure is an obvious one but fewer people understand how COAL affects pressure and velocity. Regards, Eric [/QUOTE]
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Long Range Hunting & Shooting
I am very dissapointed with Berger bullets regarding the 338 hybrid bullet.
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