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Load data for 240 Weatherby using Nosler 100 gr Patition?
I know JB had one a few years back, I have not reloaded in a couple of years hoping to get back to it soon..
Ted
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I'm not JB and not a gun writer, but I have a lot of experience with the 240. With either 95 or 100 NPT I found 53.5 grains of IMR-7828 and Fed 215 primers to be deadly and accurate. I ended up liking the 95s better since they didn't have the big exit hole like the 100s did.
Liars should have good memories. H. Babcock
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thanks, I had checked online but in the past I have found "better" loads from 24hour members..
Ted
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bullet manufacture's online loads max out at 3175-3200 fps, how does Weatherby get their factory ammo to run 3400+?
Ted
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Campfire 'Bwana
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Campfire 'Bwana
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My fav .240 load is the 100 NPT over MRP. I'll get the actual charge when I get home. The rifle is a H.S. Precision SPL in a McM Hunter's Edge. They make their own barrels, cut rifled like Krieger and shoot about as well. My best group was 1.7" at 400 yds. Now, I can't always reproduce those "bragging" groups, but at least I know what the gun can do. MRP, from what I've read, is a more refined version of RL-22, more lot to lot consistency. I fortunately have a big jug. DF
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Campfire 'Bwana
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Campfire 'Bwana
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bullet manufacture's online loads max out at 3175-3200 fps, how does Weatherby get their factory ammo to run 3400+? I don't generally buy factory ammo, for sure not Wby due to cost. As to their 3,400 fps claim, I'd clock it before accepting that as the Gospel truth. Now, sometimes those guys use powders that we can't get. Still I'll believe it when the chrono says so. IIRC, my load runs around 3,250 or so. Pushed to the limits isn’t always optimal. Seems to me best accuracy is often slightly less than full out max. But it depends on what the chrono and target say. DF
Last edited by Dirtfarmer; 11/10/23.
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Campfire Kahuna
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Campfire Kahuna
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The load I used with the 100-grain Partition in a Weatherby Ultra Lightweight was 52.0 grains of MRP, which got right around 3200 fps with excellent accuracy.
“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.” John Steinbeck
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Campfire 'Bwana
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Here's plenty of load data for it... I find Shooters Reference to be a really good load data source, referencing a lot of info from quite a few sources: try this if you want a lot of info on it: https://www.shootersreference.com/reloadingdata/240-weatherby-magnum/Good luck with your quest Old Willys
"Minus the killings, Washington has one of the lowest crime rates in the Country" Marion Barry, Mayor of Wash DC
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Campfire 'Bwana
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Campfire 'Bwana
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The load I used with the 100-grain Partition in a Weatherby Ultra Lightweight was 52.0 grains of MRP, which got right around 3200 fps with excellent accuracy. I just checked my .240 Wby, 100 gr NPT load data. It’s 53 gr MRP at 3,250 fps out of a 26” barrel. Not always, but sometimes the Partition is the most accurate bullet. IMO, that’s never a bad thing, just gotta try them to see. So this .240 is now a dedicated Partition rifle; I’m not trying to find a better load. Gonna stick with this one. I have enough other projects to keep me busy, this one is done. Too good a barrel to cook it looking for that “Holy Grail” load. Think I’ve found it. DF
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Have not seen any Norma MRP locally for some time will look for it.
thanks
Ted
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Campfire 'Bwana
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RL-22 is pretty close. But, I quit buying RL-22, get RL-23 instead, when I can. To me it’s a better powder with similar performance.
DF
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RL-22 is pretty close. But, I quit buying RL-22, get RL-23 instead, when I can. To me it’s a better powder with similar performance.
DF Have to agree, have a big jug of Reloder 23 and love the stuff.
We deal in lead, friend.
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Campfire Kahuna
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Campfire Kahuna
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RL-22 is pretty close. But, I quit buying RL-22, get RL-23 instead, when I can. To me it’s a better powder with similar performance.
DF RL-22 and MRP are the SAME powder. The only "difference" is in manufacturing lots. RL-23 is very good powder, but trying to find it has always been a problem. The reason I started with MRP and the 100-grain Partition is the Weatherby factory load using the 100 Partition grouped very well in the ULW. Found out the powder was MRP, and used the same powder charge, with the bullets seated the same--which worked equally well. That said, eventually switch to 90-grain plastic-tipped bullets and 57.5 grains of Ramshot Magnum, which got around 3325 fps with equally good groups--but only with magnum primers. They shot flatter and drifted less in the wind than 100 Partitions.
“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.” John Steinbeck
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Campfire 'Bwana
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I just checked Powder Valley for powder availability. They're getting more powder in, but I don't see one Alliant Reloader powder available. If it's an RL, it's out of stock. Same at Midway.
Wonder what's going on in the RL world...?
DF
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Campfire Kahuna
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Campfire Kahuna
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As I mentioned in another thread, a lot of European powder production is probably going to military contracts these days.
“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.” John Steinbeck
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Campfire 'Bwana
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Campfire 'Bwana
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That makes sense. With everything going on in the world, could be a while before they come up for air.
DF
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bullet manufacture's online loads max out at 3175-3200 fps, how does Weatherby get their factory ammo to run 3400+? Not a 240, but 300 Weatherby ammo in 180 partition was quoted on the box as 3240 in a 26" barrel. My Vanguard Sub MOA did 3190 in a 24". Flattened primers but no ejector marks and easy extraction. I could never match that with R22, IMR7828, H1000, or H870. YMMV? Rifles are all different. Maybe powders too.
Last edited by calikooknic; 11/10/23.
Sean
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Could not locate any MRP locally or online but have a pound or so of RL22 on the shelf , will try it
Last edited by old_willys; 11/11/23.
Ted
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I have a couple of pounds of RL-23 but I can’t find any load data for it. I’m going to try the 95 Ballistic Tip in my 240 Wby Backcountry Ti. Does anyone have a good starting point for RL-23?
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