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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Cooper 280AI Chamber question.
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<blockquote data-quote="BEEMAN" data-source="post: 1001203" data-attributes="member: 38130"><p>Just got finished shooting. Worked up to 58.5 gr of H4831sc seated at 19 thou off the lands. COAL of 3.225". Speeds were 2892, 2892 and 2879 fps. First two shots was a ragged hole and the third opened it up a bit. Probably need a better operator. Thanks for all the replies and nice charts Ridgerunner. Looks like I am right in there for speeds. My gun also has a 24" barrel. It wasn't showing any pressure signs, but I think I will stop there for now. Limited time and hunting season is just around the corner here in Manitoba. Thanks again for all the help.</p></blockquote><p></p>
[QUOTE="BEEMAN, post: 1001203, member: 38130"] Just got finished shooting. Worked up to 58.5 gr of H4831sc seated at 19 thou off the lands. COAL of 3.225". Speeds were 2892, 2892 and 2879 fps. First two shots was a ragged hole and the third opened it up a bit. Probably need a better operator. Thanks for all the replies and nice charts Ridgerunner. Looks like I am right in there for speeds. My gun also has a 24" barrel. It wasn't showing any pressure signs, but I think I will stop there for now. Limited time and hunting season is just around the corner here in Manitoba. Thanks again for all the help. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Cooper 280AI Chamber question.
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