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I've been searching an searching For some reload data and I can't find hardly anything. I would like to use 260gr bullets around 2900+fps. Any help would be greatly appreciate
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Campfire 'Bwana
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Campfire 'Bwana
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Have you looked at Hodgdon's website? They have some data in the low to mid 2800's and given the pressures they show I'm not sure about getting 2900+ without a 26" or longer barrel. But I don't load for the cartridge so that's just me thinking out loud.
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I was looking for some data using R15, R17 or anything that People has come with trial n error.
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Campfire Ranger
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Campfire Ranger
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KyBigGunKy,
Welcome to the 'fire. I have something close to the .375 Wea. It is a .416 Rim Mag necked down to .375 with a 28" barrel. Here are some loads:
Nosler 260, H4350 @ 90.0 = 2,950 feet per second Barnes 270, H4350 @ 88.0 = 2,870 Barnes 270, IMR4320 @ 83 = 2,950 Barnes TTSX 250, IMR 4320 @ 84 = 3,000
These are maximum working loads with no signs of pressure to me. The 250's generally grouped between 3/8" and 3/4" at 100 yards. The 260's and the 270's were 1 - 1 1/14".
edited to correct Nosler 260 load
Last edited by Ringman; 07/18/16.
"Only Christ is the fullness of God's revelation." Everyday Hunter
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Campfire 'Bwana
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Campfire 'Bwana
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KyBigGunKy,
Welcome to the 'fire. I have something close to the .375 Wea. It is a .416 Rim Mag necked down to .375 with a 28" barrel. Here are some loads:
Nosler 260, H4350 @ 99.0 = 2,950 feet per second Barnes 270, H4350 @ 88.0 = 2,870 Barnes 270, IMR4320 @ 83 = 2,950 Barnes TTSX 250, IMR 4320 @ 84 = 3,000
These are maximum working loads with no signs of pressure to me. The 250's generally grouped between 3/8" and 3/4" at 100 yards. The 260's and the 270's were 1 - 1 1/14". That's eleven grains higher than what Hodgdon shows as a 53KCUP top load.
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When I bought the gun he gave me 2 Boxes of nosler 260gr ammo and i was trying To stay close to that as possible The boxes say 260gr 3000fps I just wonder if I could use your data It's s ruger 1
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Campfire Oracle
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Campfire Oracle
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RL-15 would not be my choice for the .375 Wby. The 4350's,4831,RL-19/22 and IMR-7828. With the 4350's being the first I would try.
Life Member SCI Life Member DSC Member New Mexico Shooting Sports Association
Take your responsibilities seriously, never yourself-Ken Howell Proper bullet placement + sufficient penetration = quick, clean kill. Finn Aagard
Ken
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Campfire Tracker
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Campfire Tracker
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take something like H4350 , start with max loads for the H&H cartridge and work up with a chrono until you hit 2900 , or pressure signs
the Weatherby will easily make 2900 with 260 gr bullets , I have a M70 chambered to that cartridge , but lost all my data when the old computer died
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Campfire Ranger
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Campfire Ranger
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mathman, That's eleven grains higher than what Hodgdon shows as a 53KCUP top load. One of my strong points in life is ignorance. I use two criteria when accepting maximum loads. That is, does it work through the action like a factory load and do I get lots of reloads with the brass. With the loads listed I get at least half a dozen or more loadings per case. But after reviewing the load in red, there is a typo. It should read 90.0 grans for the 260 Nosler load. Thanks for catching it.
"Only Christ is the fullness of God's revelation." Everyday Hunter
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Campfire 'Bwana
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Campfire 'Bwana
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That's a lot more reasonable charge. I know rifles are different but eleven grains was stretching it.
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Campfire Tracker
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Campfire Tracker
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WW cases / 78 grains RL-15 / Fed 215 / 250-gr Barnes TTSX / 2825 fps / OAL 3.600" in Brno ZKK 602 (rechambered from H&H.)
50 yds +1" 100 yds + 2 1/12" 200 yards + 2 to 4" 300 yards -0- to -4"
RL-15 gives better results at distance than IMR 4064 or IMR 4320 do, even though they might be faster initially (at the muzzle.)
Last edited by agazain; 07/18/16.
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Campfire Regular
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Campfire Regular
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case weatherby ,primer federal 215,powder R15 78 gr ,bullet nosler 260 AB, oal 3.60
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Campfire Outfitter
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I have an AI which would be close to yours, I suspect. There's loads on Load data for the bee. So far I haven't found too much pressure with my AI. I guess I'm happy for that.
I prefer classic. Semper Fi I used to run with the hare. Now I'm envious of the tortoise and I do my own stunts but rarely intentionally
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Well I'm kinda cheap lol Especially after trying to buy brass For this heifer, I think the load data site Wants 34,00 to sign up im sure it's worth it But Im still recovering also from the rifles cost I just thought someone would have a load worked Up with 260gr accubonds laying around
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Campfire Tracker
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Okay. IMR 4064 / CCI 250 / 260-grain Accubond / OAL 3.580" / 2650 - 2700 fps / Remington cases. Try it with 78 grains RL-15. (It's rocket science, but not as complicated as all that.)
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Campfire Ranger
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Campfire Ranger
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KyBigGunKy,
If you want to go with a Sierra 300 I used to get 3,000 feet per second with MRP @ 100 grains. When I could no longer find that powder I switched to RL22 and had to back off to 98.0 grains and the velocity dropped off to 2,990 feet per second.
"Only Christ is the fullness of God's revelation." Everyday Hunter
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That sounds good using the 300gr The reason I was trying to use the 260gr Was I already have two boxes of noslers custom 260gr @ 3000 Thx for that load agazain
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Brass Is kinda hard to gone by, it's a little high But I read where you can shoot 375h&h and Fire form it But the only draw back ito case compacity is not as much as Weatherby brass, I don't have a chronograph to check loads
Last edited by KyBigGunKy; 07/19/16.
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Thx guys for all the load info All help is greatly appreciated
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