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I have a couple boxes of 250gr softies and would like to know a starting load and where to stop. The powders I currently have available are: H335, H870, IMR 3031, and AA2460. I have new Remy cases and once fired Federal nickel plated cases. Which primer and OAL? Andy We Band of Bubbas N.R.A Life Member TDR Cummins Power All The Way Certified member of the Whompers Club | ||
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drew Not enough info _______________________ | |||
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Sorry Ben. Caliber 375H&H Win Model 70CRF, 24in. Does that help? We Band of Bubbas N.R.A Life Member TDR Cummins Power All The Way Certified member of the Whompers Club | |||
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PM NFMike...he can tell you exactly! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ J. Lane Easter, DVM A born Texan has instilled in his system a mind-set of no retreat or no surrender. I wish everyone the world over had the dominating spirit that motivates Texans.– Billy Clayton, Speaker of the Texas House No state commands such fierce pride and loyalty. Lesser mortals are pitied for their misfortune in not being born in Texas.— Queen Elizabeth II on her visit to Texas in May, 1991. | |||
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I'd use Barnes data. For me (.375 Wby, not H&H) I will try RL-15 next with 250-grain TTSX's. With 250-grain Sierras I tried IMR 4064 and was accurate at 100 to 200 yards but they ran out of steam pretty quick. With 260-grain Accubonds IMR 4320 worked pretty well (+ 3 inches at 100 yards and -7 inches at 300). About 2700 fps with those and guys report, with H&H, 2900 fps with RL-15. _______________________ | |||
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One of the interesting aspects is the driving bands. Do I understand it correctly that they reduce pressure? If so will my max loads likely be much higher than book? Andy We Band of Bubbas N.R.A Life Member TDR Cummins Power All The Way Certified member of the Whompers Club | |||
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X2 ------------------------------- Some Pictures from Namibia Some Pictures from Zimbabwe An Elephant Story | |||
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I did. He has not worked with H335 or any of the other powders I have on the shelf. Said he would get back to me.............. We Band of Bubbas N.R.A Life Member TDR Cummins Power All The Way Certified member of the Whompers Club | |||
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Found my H4350. Wondering if 80gr is too hot? Andy We Band of Bubbas N.R.A Life Member TDR Cummins Power All The Way Certified member of the Whompers Club | |||
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Go to the Hodgdon website http://data.hodgdon.com/main_menu.asp Mike Legistine actu quod scripsi? Never under estimate the internet community's ability to reply to your post with their personal rant about their tangentially related, single occurrence issue. What I have learned on AR, since 2001: 1. The proper answer to: Where is the best place in town to get a steak dinner? is…You should go to Mel's Diner and get the fried chicken. 2. Big game animals can tell the difference between .015 of an inch in diameter, 15 grains of bullet weight, and 150 fps. 3. There is a difference in the performance of two identical projectiles launched at the same velocity if they came from different cartridges. 4. While a double rifle is the perfect DGR, every 375HH bolt gun needs to be modified to carry at least 5 down. 5. While a floor plate and detachable box magazine both use a mechanical latch, only the floor plate latch is reliable. Disregard the fact that every modern military rifle uses a detachable box magazine. 6. The Remington 700 is unreliable regardless of the fact it is the basis of the USMC M40 sniper rifle for 40+ years with no changes to the receiver or extractor and is the choice of more military and law enforcement sniper units than any other rifle. 7. PF actions are not suitable for a DGR and it is irrelevant that the M1, M14, M16, & AK47 which were designed for hunting men that can shoot back are all PF actions. 8. 95 deg F in Africa is different than 95 deg F in TX or CA and that is why you must worry about ammunition temperature in Africa (even though most safaris take place in winter) but not in TX or in CA. 9. The size of a ding in a gun's finish doesn't matter, what matters is whether it’s a safe ding or not. 10. 1 in a row is a trend, 2 in a row is statistically significant, and 3 in a row is an irrefutable fact. 11. Never buy a WSM or RCM cartridge for a safari rifle or your go to rifle in the USA because if they lose your ammo you can't find replacement ammo but don't worry 280 Rem, 338-06, 35 Whelen, and all Weatherby cartridges abound in Africa and back country stores. 12. A well hit animal can run 75 yds. in the open and suddenly drop with no initial blood trail, but the one I shot from 200 yds. away that ran 10 yds. and disappeared into a thicket and was not found was lost because the bullet penciled thru. I am 100% certain of this even though I have no physical evidence. 13. A 300 Win Mag is a 500 yard elk cartridge but a 308 Win is not a 300 yard elk cartridge even though the same bullet is travelling at the same velocity at those respective distances. | |||
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If you can squeeze it all in and still fit into the mag box... ... my data booklet says max with 235-grainers is 82.0 grains and with 270-grainers is 78.0 grains. Time to do something (or get off the pot) _______________________ | |||
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The data on Hodgdon's website is not for driving band bullets. Maybe what I should be asking for is data from individuals that have actually loaded NorthForks and have a bunch of experience with them. I have called and left messages several times. I have also emailed on 3 occassions. No response whatsoever. One particular mfg of driving band bullets says to start with max loads for standard cup/core bullets as the bands drastically reduce pressure. I have been unable to verify this. Going to the range tomorrow. I'll let you know the results if I still have 10 fingers to type with. We Band of Bubbas N.R.A Life Member TDR Cummins Power All The Way Certified member of the Whompers Club | |||
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Directly from Hodgdon Powder Company website 250GR SFT SP H4350 78.0=2620 83.0C=2733 We Band of Bubbas N.R.A Life Member TDR Cummins Power All The Way Certified member of the Whompers Club | |||
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Again...Guys...just PM NFMike or Franz at NorthFork and they will give you correct data! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ J. Lane Easter, DVM A born Texan has instilled in his system a mind-set of no retreat or no surrender. I wish everyone the world over had the dominating spirit that motivates Texans.– Billy Clayton, Speaker of the Texas House No state commands such fierce pride and loyalty. Lesser mortals are pitied for their misfortune in not being born in Texas.— Queen Elizabeth II on her visit to Texas in May, 1991. | |||
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Wow, I relly never worked with any of those. I will look and see what I have when I get out to the shop and dig through the files. I doubt if I have anything other than RE15 for the 250 and I don't recall if that was from the pressure barrel or before I had pressure equipment. I'll let you know if I find anything but I'm sure I never worked with any of those powders. Mike As I stated before, Mike has not worked with the powders I have available. This doesn't mean they are not applicable or may not work fantastic, just hasn't tried them yet. We Band of Bubbas N.R.A Life Member TDR Cummins Power All The Way Certified member of the Whompers Club | |||
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Load data is the start of the process, not the end. I would not arbitrarily just pick a point in the middle. I would start at 79.0 grains and load 3 rounds at 79.4, 79.8, 80.2, 80.6. 80.8, 81.2, 81.6 and look for group size improving then staying constant then getting worse. You should see two loads that are about equal then split the difference between those loads. Mike Legistine actu quod scripsi? Never under estimate the internet community's ability to reply to your post with their personal rant about their tangentially related, single occurrence issue. What I have learned on AR, since 2001: 1. The proper answer to: Where is the best place in town to get a steak dinner? is…You should go to Mel's Diner and get the fried chicken. 2. Big game animals can tell the difference between .015 of an inch in diameter, 15 grains of bullet weight, and 150 fps. 3. There is a difference in the performance of two identical projectiles launched at the same velocity if they came from different cartridges. 4. While a double rifle is the perfect DGR, every 375HH bolt gun needs to be modified to carry at least 5 down. 5. While a floor plate and detachable box magazine both use a mechanical latch, only the floor plate latch is reliable. Disregard the fact that every modern military rifle uses a detachable box magazine. 6. The Remington 700 is unreliable regardless of the fact it is the basis of the USMC M40 sniper rifle for 40+ years with no changes to the receiver or extractor and is the choice of more military and law enforcement sniper units than any other rifle. 7. PF actions are not suitable for a DGR and it is irrelevant that the M1, M14, M16, & AK47 which were designed for hunting men that can shoot back are all PF actions. 8. 95 deg F in Africa is different than 95 deg F in TX or CA and that is why you must worry about ammunition temperature in Africa (even though most safaris take place in winter) but not in TX or in CA. 9. The size of a ding in a gun's finish doesn't matter, what matters is whether it’s a safe ding or not. 10. 1 in a row is a trend, 2 in a row is statistically significant, and 3 in a row is an irrefutable fact. 11. Never buy a WSM or RCM cartridge for a safari rifle or your go to rifle in the USA because if they lose your ammo you can't find replacement ammo but don't worry 280 Rem, 338-06, 35 Whelen, and all Weatherby cartridges abound in Africa and back country stores. 12. A well hit animal can run 75 yds. in the open and suddenly drop with no initial blood trail, but the one I shot from 200 yds. away that ran 10 yds. and disappeared into a thicket and was not found was lost because the bullet penciled thru. I am 100% certain of this even though I have no physical evidence. 13. A 300 Win Mag is a 500 yard elk cartridge but a 308 Win is not a 300 yard elk cartridge even though the same bullet is travelling at the same velocity at those respective distances. | |||
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I decided against H4350 for the NorthForks and went with H335. 64gr start and increased in increments of .5gr up to 68gr. Chrony and paper performance will be the ultimate deciding factors. We Band of Bubbas N.R.A Life Member TDR Cummins Power All The Way Certified member of the Whompers Club | |||
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68gr of H335 seems to be the right load. Did not chrony, but it made a .628 group 3" high dead center @ 100yds. I'll stick with that for now. No bulged primers, no sticky extraction, no scraped rims, brass looks good! We Band of Bubbas N.R.A Life Member TDR Cummins Power All The Way Certified member of the Whompers Club | |||
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H335 to fast for full loads with 250gr. Book shows 74 gr with 235 gr bullet. Full loads ball powder would be over 80 gr. AND you are less than 90% fill at 68gr with a ball powder.A no-no. The AA2460 ball to fast for full loads also. Use H4350 you got. The H4350 would do ok as Hodgdon book shows 83gr compressed with heavier 270gr slug. If you get new powder get RE17, case full.Ed MZEE WA SIKU | |||
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Hallelujah! _______________________ | |||
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Used this load to kill a monster 9pt whitetail in Kenedy county on La Atravesada ranch this morning. He walked away three times and kept coming back, so I whacked him. Didn't see any Nilgai, that was what I was after. Another hunter got one and wanted to see how my loads would hold up. The 250gr Northfork opened up the size of a nickel from 10ft away and did NOT exit. That is one tough beast! I am going back in the summer and gonna try NF cup point solids. We Band of Bubbas N.R.A Life Member TDR Cummins Power All The Way Certified member of the Whompers Club | |||
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