I have Been thinking about a 375-06 because I have two 3006 laying around doing nothing.
If I don't make a 338-06 my second choice is the 375-06.I think it should have decient power
Enough for moose and bears .I have a 375 jdj carbine but it's a single shot which I don't like
To hunt big bears with a single shot .Does anyone make standard 375-06 dies ?
My two 3006 rifles are a Winchester black shadow and a weatherby vanguard with an awesome walnut stock.
What speeds does the 375-06 shoot 270 and 300 grain bullets .
I always think this is the caliber that's missing for some reason .
The 9.3x62 is an awesome caliber but I think the 375-06 would be a little better .
I wanted something with good knockdown power to 250 yards without a ton of recoil
and in a light weight rifle . Brass would also be very easy to make and cheap .
Besides I have about 2500 375 bullets and nothing to shoot them in !

I don't have a set of dies. I researched this a while ago.

300 grain bullet is ~2150

270 grain is ~2350.

You may wish to consider the Whelen Improved 40 deg version. It will add 50 to 100 fps more with the most benefit coming in the 300 grain weight.

I see midway has 375 Whelen Improved (rcbs) as a special order item for $200.

Hope that helps.

Been thinking about the same thing. 375 Hawk/Scovill is basically a 375-06. Possibly easier to find dies for, though. The body is blown out and you'd have to fire form instead of just expanding the neck in a die. But there's data in the Barnes Manual and Hawk manual, plus you get 2575 with 270's and 2383 with 300's.

Wayne from AHR had one for sale a while back, I think it was a Scovill. Sounds like a great cartridge.

PM sent

I built a 375x57, AKA 375X62, AKA 375x444, AKA 375 JDJ some time back because I was going to build a pistol version and never found that round toit to doit and I had acquired a very expensive set of RCBS 375 JDJ dies.

My case capacity is ~70 gr H20, where-as the blown out '06 versions are closer to 80 gr, especially the Hawk-Scovill, which is a better iteration that all the other versions and dies are available for it at CH4D.

If you do the JDJ version or Bellm version...powder choice is a bit touchy as the case volume falls in a very narrow zone of usable powders for optimum use...many powders will work OK but produce velos 100 fs or more slower

The '06 version isn't as bad with powder choice.

Where you gain or loose is in the barrel length choice. I opted for a 26" because I wanted velocity which translates to energy quicker than bullet weight does.

I also picked the x62 case because it has more volume than other '06 cases when reduced in length slightly.

I also picked the 260 g Nosler Partition as bullet of choice and developed my loads accordingly and Norma brass...several x57, x62, or trimmed '06 cases will work. I've dusted off quite a few sage rats out to a bit over 200 yds so far, nothing bigger, while developing loads. The barrel is on a Savage Axis receiver.

Velocity with the 260 g Part is 2650 fs +/- ~30 fs depending on the powder, ~50 fs slower with a Horn 270 gr SP, and ~30-40 fs faster with Sierra 250's.

RL-10x, WW748 and TAC give highest velos at a bit over 65Kpsi which is OK in MY RIFLE...extracts easy, no sticking or shiny spots in the cases and several cases have gone 12 reloading so far with little trimming .

I built the JDJ because I had the VERY expensive dies that I couldn't sell or trade for value, but if I were just starting out wanting a 375-something-something I would pick the Hawk Scovill version for a large number of reasons.

Compared to MY H&H and Ruger versions...my 26" velos are very close the the 20" mag versions or at least close enough to grab the JDJ over the mags for much of the game I USED to shoot.

I don't see much comparison between the 9.3x62 and the 375 JDJ or '06...if there is any it is hair splitting or personal bias...no diss or flame intended. Use what YOU want...we ALL have our fav's.

I can think of lots of other calibers and cases to pick from for an extra '06 action that I think would be "better"...but "better" is in the eye of the beholder and opinions are "not much better" than....

Good Luck picking

quote:

If you do the JDJ version or Bellm version...powder choice is a bit touchy as the case volume falls in a very narrow zone of usable powders for optimum use.

Non: What powders have you found to perform best in the 375JDJ? Thanks

Check with CH4D. They may have a set on the shelf. I bought mine from them. They were about $85. Excellent dies. I have several sets.

I just re-read your post more carefully.

375-06 Ack Improved 40 deg shoulder is a standard

375 Hawk Scovil is a standard

I don't know if there is a standard (i.e. simple neck up) for just a 375-06

The 9.5x62 (aka 375 Hawk/Scovill) is a pretty nifty cartridge and I have been told my numerous folks that it is popular in Europe to rebore shot out 9.3x62 rifles to 9.5 or .375. with a 25" bbl I had no problem getting 2400 fps with 285gr Grand Slam bullets.

I guess the 375-06 is just in a niche that is kinda limited except it would be awesome on
Elk and larger game and bears .In timber less than 250 yards and a 260 grain partition bullet it would be awesome .It would be a nice round for timber moose where you want them down right then .I will check into barrels and see what's around .Which twist should I need to get ? I would probably use 270 grain or less for the most part unless I put 300 grain fmj for finishing shots which hopefully should be none !

1 in 12 is standard for a 375. A 250 grain TTSX monometal is actually longer than a 300 grain Nosler Partition.

AHR might have dies brass and maybe even ammo for his 380 Howell. More capacity than the AI & Hawk

Bob...I listed the powders that I use either for accuracy or velo...you can pick several in the same burn range that will do good jobs, it depends on what YOU want...the 375 cal bullet is already large enough WITHOUT expanding to "get'er done". I shoot 235, 260 and 300 gr jacketed and 265 gr cast mostly but I also have some 225 and 255 gr cast...the 300 gr are Woodleigh PP's I load to ~2500 fs/4300 ftlbs, 3.25" COAL USING CFE223...AR-COMP AND 8208 for about 50-100 fs less but also higher pressure. A 300 gr bullet at 2500 fs isn't anything to deride in ANYONE'S book.

Basically if you are going to muck about with wildcats of ANY kind you need QL and a Chrono for starters, to narrows the choices otherwise you can burn out a barrel before you even begin ti find a good load.

Case volume, bullet weight and seating depth come into play leaving a narrow range of powder usability. USABLE case volume which puts the JDJ in a narrow OPTIMAL powder range...the larger '06 opens up that range much better.

I would say that just necking up the '06 case to 375 cal without any other changes would qualify as a "standard" 375'06...all the rest are non-standard, "wildcatted" versions and there are MANY of then floating around using the '06 and 270/280/basic '06 cases...it's a new/old wildcat that produces respectable, ALMOST magnum velos with much HIGHER powder efficiency. :

Yeah...monometal bullets are ALWAYS longer than the same weight jacketed or cast lead bullets mostly because we now want those high BC, freaking long pointy things...and you can use lighter bullets, SUPPOSEDLY...I use them for LR and they DO WORK....the few 350 gr MK's I've shot in my JDJ iteration don't drop much compared to several other "pointy" types I've tried...even at the lower MV of the heavier bullet. But, as always...you can't make a silk purse out of a sows ear, even though both flop around.

GOOD HUNTING

Ramrod,

You got any ballistics on the 380 Howell?

Mike I don’t. But I use the Howell brass for my 380 PDK. Basically different shoulder angle. I normally use the 260 part at 2650 FPS using 4895

I’d check with Wayne

Paul,

You ever chrono'd 300s outta your 380 PDK

I have a 375 Hawk/Scovill I usually load it with 260 Nosler. Moose and bear fall to it easy enough, so have fooled with little else. Easy to make the cases from 35 whelen brass, neck up to .40 cal, set the shoulder with the sizing die.
Most of the data you find for the 375 H/S are loads set at it's parent case ( 30-06" pressure levels, 48,500 cup. Obviously in a bolt gun you could up the loads.

I have but I’m 1000 miles from my data. Be home mid week.

Considering the inherent negatives to wildcat cartridges (die cost, no factory ammo, head stamp issues in Africa customs, reamer cost, lack of pressure tested load data, rifle resale value, etc.), why not just chamber a 375 Ruger? Case capacity of 375 Hawk = 75 grains H2O, 375 Ruger = 85.5 grains. Magazine capacity may be one less and bolt face needs to be opened up but that is easy and cheap to do.

I want to support the Ruger 375 as an easy shooting answer to the quest for a .375 as a do it all gun, with less than full and with full recoil.
The Hodgdon Web page shows the 375 Ruger, 260 grain Nosler AB, and VARGET as Max 71.6 grains for 2,748 FPS.
The VARGET can has written on it that one should reduce maximum loads by 10 percent as a starting load.
I have found a reduction to 66.0 Grains VARGET with 260 Nosler AB produce that solid performer of a 375 bullet at speeds of a fully loaded 375 Hawk or Scovill
And I suggest this load with the experience of a double-digit number of White Tail one shot kills.
Sincerely,

I called AHR and he said the 380 Howell is a 270 grn bullet 2 ~2550-2600.

Nice performance out of an 06 like case.

I have a 375 Whelen Ackley Improved . It has a 19" barrel.
I push the 250 gr TTSX BT , tumbled in HBN @ 2550 fps with 4895.
I have gone higher but backed it down to 2550 fps.
Longer barrel length will definitely increase velocity. I use this rifle as a nice light little general purpose carbine.
If I was going to build one . It would be the Hawk Scoville. . Or a 9.3x62 Mauser.
I like how it is affordable to shoot. And easy to shoot.
It gets a lot done on a budget.
I can't prove this, but I think the 250 gr Barnes @ 2550. Has at least the same penetration as the old Rem Core Lokt, or Federal ammo loaded with the 300 gr Hornady Inter Lock rnsn in 375 H+H.

quote:

I called AHR and he said the 380 Howell is a 270 grn bullet 2 ~2550-2600.

Nice performance out of an 06 like case.

Mike:

My 380PDK has 83.5grs of capacity QL claims the Howell at 82.5. I have never tried the 270 but hunt with a 260 Accubond at 2650. Can push too 2750ish with 3 loading on brass but find 2650 plenty more comfortable and much more accurate in my rifle.

I've only used the 300 Part IMR 4895 and RL15 allow me around 2500fps. QL calls the pressure in the 61000 range. Varget didn't do it for me with either bullet. My accurate load was IMR 4895 at around 2470. QL calls the pressure in the 57000 range.

The Howell with give you a few grains gross capacity over the 376 styer. You gain in the net capacity because bullets aren't set as deep. I have Howell cases on their 5th loading.

The Howell or other 06 based gives you 5 down in most rifles. Wayne has brass and did have dies.

Looking at QL probably need to try RL17.

Last thought. Other than using a touch less powder and giving you 5 down the Howell or PDK don't do anything the H&H will do. But they make great conversation starters around the campfire.

I built a 9.3x375 no other change in the 9.3x62 case, just necked it up. Be aware their are a number of near same 9.3s out there such as the Hawk/Scoville and a couple of others.I did use a rather long throat to get more velocity and it did that well enough...It came within a hair of duplicating the well used African load for a 375 H&H that seems to be a 300 gr. bullet at 2500 FPS..it did this with no problem...I never got to hunt with it, I built it too light and recoil was severe in that beautiful skinny stock..but a friend of a friend of mine had to have it and he was immune to recoil..He loves it..I have a good deal of load data for you if you build one. I better qualify that with an "if I can find it"...