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Hunting
Long Range Hunting & Shooting
Help me understand the importance of measuring velocity for reloading.
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<blockquote data-quote="Mike Matteson" data-source="post: 3086171" data-attributes="member: 101791"><p>It helps in determining your SD & ES. On your reloads. Example: 30fps variation change your bullet @ 1000yds by 8.5", and @ 50fps changes by as much as 14" @ 1000yds. Chronograph helps in determining what you reload is doing. If you are getting groups at 1/2" or under @ 100yds, Then extending your yardages out to much longer ranages, will help you tell what's going on. </p><p>To me theres a lot that goes into building a reload for a rifle. I generally one shot one type of bullet and powder in my reload for that rifle once I get what I want out of it.</p><p>Other things that go into the reload is what type of weather do you hunt in. or range of weather temps. My temp ranges varys as much as 130 drg. Some powder vary as much as 1.75 fps per degree. Taking the middle of the temp range to build you load, that turning into as much as 113fps change in velocity. Remember what I said above about fps and velocity change. The chronograph use in different weather condition will help with your load and what it's doing.</p></blockquote><p></p>
[QUOTE="Mike Matteson, post: 3086171, member: 101791"] It helps in determining your SD & ES. On your reloads. Example: 30fps variation change your bullet @ 1000yds by 8.5", and @ 50fps changes by as much as 14" @ 1000yds. Chronograph helps in determining what you reload is doing. If you are getting groups at 1/2" or under @ 100yds, Then extending your yardages out to much longer ranages, will help you tell what's going on. To me theres a lot that goes into building a reload for a rifle. I generally one shot one type of bullet and powder in my reload for that rifle once I get what I want out of it. Other things that go into the reload is what type of weather do you hunt in. or range of weather temps. My temp ranges varys as much as 130 drg. Some powder vary as much as 1.75 fps per degree. Taking the middle of the temp range to build you load, that turning into as much as 113fps change in velocity. Remember what I said above about fps and velocity change. The chronograph use in different weather condition will help with your load and what it's doing. [/QUOTE]
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Help me understand the importance of measuring velocity for reloading.
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