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Seems like we have threads on good loads for the 30-06 and .308. How about we have one for the 7x57 Mauser? Paul B.
Our forefathers did not politely protest the British.They did not vote them out of office, nor did they impeach the king,march on the capitol or ask permission for their rights. ----------------They just shot them. MOLON LABE
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Thats easy, any good 160gn bullet (I use the Woodleigh) and a good dose of H4350 with WLR gets me 2700fps. 120gn GSC and BL-C2 with Fed 215 gets out at 3237fps. This covers all bases with this great all round cartridge.
Von Gruff.
Von Gruff.
Exodus 20:1-17
Acts 4:10-12
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my 7x57 loves N203 with 150 gr bullets
Ed
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49 grains of RL19 with the 160gr Sierra GameKing produced 2733 fps with pretty good accuracy.
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Campfire Tracker
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50 gr of IMR-4350 in a Winchester Western Case a Federal 210 primer or what you have and top it off with a 140 gr Nosler Partition. Or if your barrel likes a heavier bullet, I have such a rifle, then 48 gr of IMR 4350 and a 160 gr Speer or Nosler Partition. Killed a lot of game with both those loads.
"Any idiot can face a crisis,it's the day-to-day living that wears you out."
Anton Chekhov
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Mine loves the 140 NP over IMR 4350 or RL19.
μολὼν λαβέ
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Campfire 'Bwana
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Campfire 'Bwana
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again, 40 grains of IMr 3031 with a 139 to 175 grain bullet...
mv will be between 2650 fps to 2750 fps...
will prove to be accurate in a shot out barrel...
"Minus the killings, Washington has one of the lowest crime rates in the Country" Marion Barry, Mayor of Wash DC
“Owning guns is not a right. If it were a right, it would be in the Constitution.” ~Alexandria Ocasio Cortez
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More of the same; 50 gr H4350 with a 140 Accubomb.
“When Tyranny becomes Law, Rebellion becomes Duty”
Colossians 3:17 (New King James Version) "And whatever you do in word or deed, do all in the name of the Lord Jesus, giving thanks to God the Father through Him."
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I have never chronographed a powder that out performed 760/H414 in this cartridge. Interesting that it is not mentioned yet. Hang on, I just did.
JW
When truth is ignored, it does not change an untruth from remaining a lie.
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AussieGunWriter, Do you mean in velocity, accuracy or both? Thanks, Troy.
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Both. My current rifle is a 40 years old Rigby Mauser .275 and also the most accurate one I have used, but apart from that, the velocity is highest of all powders in weights from 140 - 175 grains.
JW
When truth is ignored, it does not change an untruth from remaining a lie.
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H-414 shoots best in nmy 7x57's with 140 gn Nosler Partitions and Fed 210 primers. 47.0 gns of H-414 shoots well, but I'd drop a few grains and work up with a new rifle.
Don Buckbee
JPFO NRA Benefactor Member NSSA Life Member
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Mine loves IMR-4350 and Accurate 3100 with just about any bullet from 130 to 175 grains.
Shew me thy ways, O LORD: teach me thy paths. "there are few better cartridges on Earth than the 7 x 57mm Mauser" "the .30 Springfield is light, accurate, penetrating, and has surprising stopping power"
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Lets keep this thread going please, any one use IMR 4320 or RS Big Game?
kk alaska
Alaska 7 months of winter then 5 months of tourists
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I've used IMR-4320 with 130's and 140's with no complaints.
Shew me thy ways, O LORD: teach me thy paths. "there are few better cartridges on Earth than the 7 x 57mm Mauser" "the .30 Springfield is light, accurate, penetrating, and has surprising stopping power"
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52.0gr of RL19 IS WHERE IT'S AT W/THE 7X57(140gr BT)
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A few years ago I chased 130 grain 270 Win. ballistics using IMR 4320 with a 130 grain Speer Hot-Cor and used the powder with 115 grain Speer HP for a surprisingly accurate varmint load.
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I'll add to the corpse thread.
139 hornady or 140 sierra PH (forgive me, ingwe), 46-48 g of H4350. nuff said.
Uber Demanding Rifle Aficionado
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Campfire Kahuna
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I used to use 760/414 in the 7x57, and it did provide outstanding velocities with good accuracy--in what might be called normal temperature ranges. But eventually I found it didn't work nearly as well in real cold or heat, proving too erratic.
Eventually, like many people who've posted here, I settled on H4350, which is MUCH more tractable across a wide range of temperatures. But another problem with the 7x57 is that throat length is all over the place in different rifles. I've owned rifles that could take over 50 grains with 140-grain bullets without the slightest sign of distress, and others that couldn't take 47 grains.
Consequently I just advise using enough H4350 to reach a certain velocity level, and leaving it at that. Of course, velocity will vary depending on barrel length, but 50 fps can be added to 24" barrels or subtracted in 20" barrels from the following suggestions for 22" barrels:
120's: 3150 140's: 2900 150's: 2800 160's: 2700 175's: 2600
Ramshot Hunter also appears to be a pretty good choice, and is a little slower than H4350 so might be capable of more zip, especially since it's a ball powder so more can fit in the case. It certainly works great in the 7mm-08. But I haven't used Hunter enough with all bullet weights to come to a firm conclusion yet--except it's noticeably more consistent in varying temperatures than 760/414, and burns a lot cleaner as well.
“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.” John Steinbeck
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I'd only add that 2800 fps. works very well out past 400 yds. with the 140 gr. Nosler Partition. I used 49 grs. of IMR 4350 in WW cases for my old Ruger tang safety rifle. I recall that 44 grs. of IMR 4320 worked very well with the Hornady 139 gr. bullet. E
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