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Campfire 'Bwana
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Campfire 'Bwana
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The Remington will work nicely...no magazine alterations and long enough tohandle the heavier 7mm bullets.Good choice!
The 280 Remington is overbore.
The 7 Rem Mag is over bore.
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Jpro: As usual, you're very observant...  The 7Weatherby gets its velocity advantage from three factors:Longer throats(freebore,really), generally longer barrels(most data is 26" as are most rifles),and factory and manual loads at higher pressures. No the manuals do not load them at higher pressure, just the opposite. Cause some clown will use that info in a gun that was built with no FREE BORE. I get 140s out of my 7mm WBY at 3400 with a 24" barrel my 300 Wby gets 180s out at 3300 and 200 at 3100 with a 26" barrel
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Joined: Jan 2007
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Campfire 'Bwana
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Campfire 'Bwana
Joined: Jan 2007
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Jpro: As usual, you're very observant... The 7Weatherby gets its velocity advantage from three factors:Longer throats(freebore,really), generally longer barrels(most data is 26" as are most rifles),and factory and manual loads at higher pressures. No the manuals do not load them at higher pressure, just the opposite. Cause some clown will use that info in a gun that was built with no FREE BORE. I get 140s out of my 7mm WBY at 3400 with a 24" barrel my 300 Wby gets 180s out at 3300 and 200 at 3100 with a 26" barrel Oh.....not sure I follow.........most manual data gives the caveat and warning about Weatherby Freebore.... .....and meant that it is loaded to higher pressure in factory ammo than 7RM is;and charges are substantially higher even though case capcity is similar....I don't see how those velocities would be possible from a case of essentially the same size as a 7RM, without the higher presures...but who knows.
The 280 Remington is overbore.
The 7 Rem Mag is over bore.
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Well Bob you got two out of three right it's freebore and factory loads are hotter 
Last edited by joecool544; 02/05/11.
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Campfire 'Bwana
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Campfire 'Bwana
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Well joe that sure could be;that freebore will allow you to burn more power....but I still suspect SAAMI pressure spec is higher for the Weatherby stuff than most factory 7RM.. ..anybody know? 
The 280 Remington is overbore.
The 7 Rem Mag is over bore.
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Campfire Regular
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I have factory Weatherby rifles in calibers from 257 through 340 and every one out does the manuals. In fact they run with the specs of Roy's old Weatherby load data.
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Campfire Kahuna
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Campfire Kahuna
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Jpro: As usual, you're very observant... The 7Weatherby gets its velocity advantage from three factors:Longer throats(freebore,really), generally longer barrels(most data is 26" as are most rifles),and factory and manual loads at higher pressures. No the manuals do not load them at higher pressure, just the opposite. Cause some clown will use that info in a gun that was built with no FREE BORE. I get 140s out of my 7mm WBY at 3400 with a 24" barrel my 300 Wby gets 180s out at 3300 and 200 at 3100 with a 26" barrel I never even could get close to 3300 with a 300 wtby fibermark without having BAD pressure signs... just wasn't safe in my eyes.... you could get high 3100s and that was about it maybe right on to 3200.... Roy hotrodded them for sure.
We can keep Larry Root and all his idiotic blabber and user names on here, but we can't get Ralph back..... Whiskey Tango Foxtrot, over....
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Campfire Ranger
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Campfire Ranger
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I've never seen a 300 Bee go over 3200 with 180's either...
Dober
"True respect starts with the way you treat others, and it is earned over a lifetime of demonstrating kindness, honor and dignity"....Tony Dungy
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know five of them doing it right now on a diet of 7828, been using it for years running those speed tell the necks wear out
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Campfire Ranger
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Campfire Ranger
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7828 would be my go to to try as well, never done it yet though...grin
How much you pouring to it?
Dober
(side note, I know I could get there though if I really wanted)
"True respect starts with the way you treat others, and it is earned over a lifetime of demonstrating kindness, honor and dignity"....Tony Dungy
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85.5 in Rem cases for 180s
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Campfire Ranger
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Campfire Ranger
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"True respect starts with the way you treat others, and it is earned over a lifetime of demonstrating kindness, honor and dignity"....Tony Dungy
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Campfire Regular
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Campfire Regular
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Joined: Mar 2004
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Campfire Regular
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Jpro: As usual, you're very observant... The 7Weatherby gets its velocity advantage from three factors:Longer throats(freebore,really), generally longer barrels(most data is 26" as are most rifles),and factory and manual loads at higher pressures. No the manuals do not load them at higher pressure, just the opposite. Cause some clown will use that info in a gun that was built with no FREE BORE. I get 140s out of my 7mm WBY at 3400 with a 24" barrel my 300 Wby gets 180s out at 3300 and 200 at 3100 with a 26" barrel I never even could get close to 3300 with a 300 wtby fibermark without having BAD pressure signs... just wasn't safe in my eyes.... you could get high 3100s and that was about it maybe right on to 3200.... Roy hotrodded them for sure. you most of been running to fast of powder and was it a 24" barrel?
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Campfire Regular
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I've never seen a 300 Bee go over 3200 with 180's either...
Dober run a 26" barrel and quit cutting them to 23"
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Barnes #3.... out of a 24 inch bbl.. using 180 XLC there are several loads that exceed 3200 ...from the 24 inch test bbl using 86 grans of 7828 gives 3261 with the XLC 180 grain....I do not use the 180s ..I only shoot the 200 BBC and 220 NP...using H870...in my MV 300...kills critters dead...so why change??
Last edited by ou76; 02/06/11.
"To pick a rifle and bullet for use on game by muzzle energy alone is, at best, foolish...and can be dangerous to your own health..." Bill Steigers, April 23, 1980
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New Member
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Bob,
I'd love to see the article too. Sending PM
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Campfire Kahuna
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Campfire Kahuna
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know five of them doing it right now on a diet of 7828, been using it for years running those speed tell the necks wear out Had a guy here too, ran some good speeds for years with a 25-06. Running 257 wtby speeds. His was all fine too, until the gun locked up because the lugs beat the recessess so bad you finally couldn't unlock em.. Now I'm not saying 3300 is unsafe BUT I"d have to see some kind of pressure test to verify... even with the Oehler system to compare factory to reloads would make me happier....
We can keep Larry Root and all his idiotic blabber and user names on here, but we can't get Ralph back..... Whiskey Tango Foxtrot, over....
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Joined: Apr 2001
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Campfire Ranger
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Campfire Ranger
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I've never seen a 300 Bee go over 3200 with 180's either...
Dober run a 26" barrel and quit cutting them to 23" True enough I love the 23" length but for this load I was talking 26's... Dober
"True respect starts with the way you treat others, and it is earned over a lifetime of demonstrating kindness, honor and dignity"....Tony Dungy
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Campfire Regular
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if I went with a remington 700 I would have to have the barrel pulled and reamed? What are you running for dies?
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