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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
308 Load ?'s
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<blockquote data-quote="Bart B" data-source="post: 657229" data-attributes="member: 5302"><p>If your 178's are leaving at 2450 from a 20 inch barrel, they may not be up to normal max safe pressure levels. Such bullet weights typically leave .308's at about 2550 to 2600 fps from a 22 inch barrel and they won't loose but about 20 fps per inch in a 22 inch barrel.</p><p></p><p>I wouldn't use the smallest group shot as a measure of accuracy. All the others are bigger. The biggest one's the size you can count on for all shots fired. That aside, if you're putting all fired shots inside 9.16 inches at 916 yards, that load and your rifle along with you are doing quite well indeed.</p></blockquote><p></p>
[QUOTE="Bart B, post: 657229, member: 5302"] If your 178's are leaving at 2450 from a 20 inch barrel, they may not be up to normal max safe pressure levels. Such bullet weights typically leave .308's at about 2550 to 2600 fps from a 22 inch barrel and they won't loose but about 20 fps per inch in a 22 inch barrel. I wouldn't use the smallest group shot as a measure of accuracy. All the others are bigger. The biggest one's the size you can count on for all shots fired. That aside, if you're putting all fired shots inside 9.16 inches at 916 yards, that load and your rifle along with you are doing quite well indeed. [/QUOTE]
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308 Load ?'s
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