Reloading 375 Winchester for the 99 Savage
- Thread starter KeithNyst
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sage5907
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I don't have any experience loading for the 375 Winchester but I have shot one several times and it is one great round to shoot. Speer makes a 235 grain HotCor bullet for that rifle and it should work great on deer. Their reloading manual shows the median loads to be 34 grains of IMR 4895, 33 grains of IMR 3031, or 30 grains of IMR 4198. The first two loads run about 1700 fps and the last one 1850 fps out of a 22 inch barrel.
GooseGestapo
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The only problem with the .375win is that most of the bullets are designed/constructed for the .375H&H and similar.
Hornady makes a 225gr FN and Sierra a 200gr FN that perform well from the .375win.
Most of the .375 fans gravitate to cast bullets. Two web sites where you'll get better info on the Savage99 are:
www.marlinowners.com, and,
www.castbollits.com
Lots of Savage99 and .375win fans at both communities.
Added: I've shot the Speer 235 and Hornady 225 PtSpt in the .375 Ruger and like them, but suspect they'll be to stiff to readily expand at .375win impact velocities. For shooting deer at ranges under 200yds, a gaschecked cast 255gr fn at ~2,000fps will flatten them. Best powder is likely Reloader7. I think you'll enjoy the .375. Think .45/70 w/o the sore shoulder.
Hornady makes a 225gr FN and Sierra a 200gr FN that perform well from the .375win.
Most of the .375 fans gravitate to cast bullets. Two web sites where you'll get better info on the Savage99 are:
www.marlinowners.com, and,
www.castbollits.com
Lots of Savage99 and .375win fans at both communities.
Added: I've shot the Speer 235 and Hornady 225 PtSpt in the .375 Ruger and like them, but suspect they'll be to stiff to readily expand at .375win impact velocities. For shooting deer at ranges under 200yds, a gaschecked cast 255gr fn at ~2,000fps will flatten them. Best powder is likely Reloader7. I think you'll enjoy the .375. Think .45/70 w/o the sore shoulder.
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sage5907
Member
GG, that 200 grain Sierra flat nose looks like a really good choice since it was designed for the 375 Winchester. With that Sierra bullet it almost looks like a pistol cartridge. The Speer 235 grain would probably feed easier out of the Savage 99 magazine box. I wouldn't be too concerned about bullet expansion with the Speer because it is such a large diameter bullet and the Speer would probably do better at penetration. I always shoot for the point of the shoulder with the intent of knocking the animal down on the spot. Slow moving bullets kill by bleeding and it's hard to knock the animal down on the spot unless you shoot through the shoulder bones or hit the spine. At 200 yards neither one of those bullets are going to be traveling very fast.
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Sunray
Member
The rifle you're shooting makes no difference. You will still need to FL resize every time and watch case lengths and OAL. You get to use pointy bullets though.
If you don't have brass, you have a wee problem. Winchester only makes brass and ammo, periodically.
However, I've always found at least starting with the powder given for the accuracy load in your manual is a good idea.
Slow moving bullets kill the same way any bullet does. Shock.
If you don't have brass, you have a wee problem. Winchester only makes brass and ammo, periodically.
However, I've always found at least starting with the powder given for the accuracy load in your manual is a good idea.
Slow moving bullets kill the same way any bullet does. Shock.
Elkins45
Member
Good luck finding brass. I've owned a 375 for about three years now and have yet to see a single round of either brass or loaded ammo. I finally bought some 38-55 brass and am using it, along with blown out 30-30. Not at full power, of course.
sage5907
Member
There are several batches of both new and used brass for sale on GunBroker. Most of it looks like it will sell for about $2 a case. 50 cases for $100 is high but it is available.
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