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The operative question is NOT To Crimp Or Not To Crimp. The operative question is: How do you intend to use the rifle/ammunition? Half MOA groups are nice, but are not necessary for anything normally hunted with a 375 H&H. Conversely, 1.25 MOA, or even 2 MOA groups are perfectly adequate...

You do realize 338 Federal is based on the 308 Win case? This is a non-problem.

I have some Norma 338-06 brass, but I am not going to sell it. Grafs shows it on their website. It is worth the wait, if you need headstamped brass.

Cerakote makes stainless steel a "nice to have", but not a necessity. It's really the way to go for an all weather setup, even if it is a stainless action and barrel.

The 160 class bullets are a better match to 7x57 case capacity than the 175's. I am inclined to regard the 175's as a special purpose bullet, when loaded in the 7x57, for use in situations where it is felt there is a need for the 7mm Mauser to punch above its weight. Even a big black bear...

I have not changed my mind about carrying the 300 A-Frames as my bullet of first choice. The real change of thought process for me is that I will also carry solids for follow up when I am able to go in pursuit of Cape Buffalo. If I were pursuing Leopard, it would be 300 A-Frames and something...

Yes it was. I stumbled across some of the interviews posted on youtube. The ones I found of particular interest were: Classic Africa Hunting Cartridges Africa Hunting Bullets 101 Africa Hunting Rifles 101 Cape Buffalo Hunting 101 Leopard Hunting 101 I have been previously aware of Kevin...

This is a really interesting comment. It is contrary to my prior understanding of 375 H&H ballistics and caused me to do a fairly deep dive looking for more information. After finding said information, I have drawn the conclusion that this subject deserves to be re-visited in a separate...

If you have a standard bolt face, 338-06 or 280 AI is worth a look.

I have a magnum bolt face Zastava Mk X. It was originally a 300 Win Mag. It is going to become a 7mm PRC. Just needs a re-barrel. No action modifications required.

I would be inclined to use the 230 ELD-X for the Duiker, Mountain Reedbuck, and Lechwe. For Mountain Zebra, Kudu, and Eland, I would switch to the 225 CX. If you prefer a one bullet for everything approach, the 210 Nosler Partition would be my first choice, though the 225 CX could also work.

I can personally attest to Craig Boddington's comments, based on load work I have done with my own 375 H&H. Loaded to 2550 or above, the 300 grain Sierra Gameking will fly with a trajectory nearly identical to the classic .308 Winchester/175 Sierra Matchking combo. If you mount a FFP LPVO...

Not sure what you mean by "recipe", but the chamber dimensions and the dies are not the same between the SAAMI version and P.O. Ackley's version of the 280 AI.

Probably 10 or 15 years ago, I was helping a gentleman sight in his newly acquired Ruger American in .308. He had a VERY cheap scope on it (the kind that didn't even have clicks for adjustments) and was shooting MILSURP ammo. That combo was stacking FMJ's, one atop the other. I have never...

I am assuming your Ruger American has a 22" barel, that you prefer more frangible bullets (vs controlled expansion or monometals), and that you are not someone who prefers to take shoulder shots. Unless you intend to step up to elk sized game, I recommend 150 class bullets in the .308. I agree...

MRBlack and Bob Nelson are on to the right formula for the 280 Remington: Slow burning powders and 160 class bullets. In a bolt action rifle, the 280 Rem can be treated like a magnum and will perform like a magnum. As Bob Nelson mentioned, the 160's @ 2900ish is the place to be. This is...

Hornady recommends a 1:11 twist rate for the 390 A-Tips here: https://www.hornady.com/bullets/rifle/375-cal-.375-390-gr-a-tip-match#!/ Depending upon altitude and conditions, you might be able to get away with a 12 twist. Twist rate aside, chamber throat length may limit what you can do with...

In a previous post, you mentioned your hopes to use QL to help you with data for older cartridges, such as the Mannlicher 6.5x54. You are absolutely correct that it will be useful for that. I have used QL to good effect with 6.5x55 and 7x57. The data available for many "obsolete" classic...

OK. There were some things stated earlier that I found confusing. Understanding you are doing this in Germany puts a different face on things. NOW it all makes sense to me. Other than increased expense and spotty availability in the U.S., VV powders are in the same class as Lapua brass...

There's just SO MUCH historical stuff in this post that I think is REALLY COOL!

1. If I am identifying your rifle correctly, it is a modern Steyr action and fully capable of handling modern pressures. 2. The RWS Scorion is a basic HPBT match bullet. 3. VV online data lists three similar bullets with VV 160: 167 Lapua Scenar, 168 Berger Classic Hunter, and 168 Hornady...

As I see it, you are struggling with two basic problems: 1. Flawed logic stemming from misunderstanding of what QL is and how it works. 2. Possible gaps in Reloading Fundamentals. With or without QL, selecting a starting load with the components you intend to use is among the first few steps...

As others have mentioned, you need to measure the water capacity of fired cases and enter that data. Moving on... QL is a GIGO (Garbage In/Garbage Out) tool. If the output data is bad, it is because there is a problem with the input data. For the data to be useful, it MUST be baselined to...

You are correct that the smith who did the bedding work was probably not accustomed to seeing a steady stream of CZ's or BRNO's, though he did excellent work. I had good, solid loads developed while I still had the original stock installed. After switching to the Bell & Carlson, I stopped...

With the known CZ 550 issues now resolved, I mounted a long range friendly optic and picked up where I had left off with my experiments, finally seeing them through to completion, and proving to my satisfaction that the 375 H&H is even more versatile when housed in a true magnum action. It...

In the spring of 2020, CZ announced that the 550 Safari Magnum would be discontinued and the era of the affordable, Czech made Magnum Mauser was about to pass into history. Since I already owned one of these classic rifles, I was not directly affected. But, I decided that was the time to move...

With the passing of time, I thought more and more about installing a more optics friendly stock. The CZ 550 was available from the factory in a Kevlar stocked version. In retrospect, I decided, I would have been better off to go that route originally. The truth was, I just didn't know enough...

With the bedding sorted out, I removed the Meopta scope in favor of something more suited to the long range testing I wanted to do with some of the loads I was developing. This was where I discovered another (as it turns out) known issue with the CZ 550: The factory scope mounting surfaces were...

Results like this caused me to inspect the fit between the barrel and stock more closely. Admittedly, that is something I should have done right out of the box when the rifle was new and had corrected earlier in the process. I wasted a good bit of time and reloading components before I...

While I was doing load development, I saw consistent signs that the rifle "wanted" to shoot. It had a tendency to print two shots close together, while throwing the third shot further away. Here are some pretty typical examples:

Left to right, I worked with the Barnes 250 TTSX, Hornady 300 BTSP, Sierra 300 Gameking, Cutting Edge 300 MTH, and Sierra 350 Matchking. On the far right, is an example of a Sierra 350 Matchking loaded to an OAL of 4.040". I had good results with the Barnes and CFE223, but was more interested...

I bought this rifle back in 2010, with intent to take it to Africa. Haven't made it to Africa just yet, but I have put in a fair bit of trigger time behind this rifle. As can be seen in the photo, original equipment was a "hogback" style stock. Despite its disadvantages for use with optics, I...

Glad to see you found what you were looking for and that you are HAPPY with it!

My advice is based on the idea that this rifle will be the first, but not the last, safari rifle you own. Among currently available choices in your price range, the Winchester Model 70 Safari in 375 H&H is the way to go. It will be ready to go right out of the box. A gift like this from your...

Greetings to Captain Munro! Congratulations for resurrecting a dead thread, but more importantly... Welcome to the Forum!! Thank You to everyone else for renewed welcomes and greetings! I have been here almost ten years to the day and I am glad to know that I am still welcome. A few years...

The Lyman reloading manual has cast bullet loads that will work very well. I used Lyman data for a 38-55 in my 375 H&H. Load was something like a 260ish grain lead gas check bullet over H4198. Muzzle velocity in my CZ 550 was around 1900 fps. Took my first whitetail with that load. Took off...

I took my first Whitetail deer with a CZ 550 in 375 H&H. Load was a cast bullet 38-55 load from the Lyman manual. IIRC, it was a 265 grain, gas checked bullet. Powder was H 4198. Muzzle velocity would have been around 1900 fps or so. Very gentle on the shooter. Dropped that Kentucky doe at...

An updated response to an old thread... Took a Whitetail Buck last year at just a shade over 200 yards. Estimated live weight around 145 pounds. It was a broadside shot with a 160 Nosler Partition that took out the on side lung and the bottom of the heart. He stumbled for less than 50 yards...

As tarbe mentioned, the .458 Lott can be loaded down to 45/70 levels. Your choice of .375 H&H is also a good one, for much the same reason. There is a wide selection of bullets for both diameters, allowing for a surprising amount of versatility, especially if you load lead bullets. The .375...

2700 fps with a 160 grain bullet from a 7x57 is neither difficult, nor dangerous, to achieve with the right powder. The same charge of RL-22 yields 2700, with both the 160 Nosler Partition and the 168 Berger Classic Hunter, from a 22" barrel in my Ruger #1A. Even at that, these loads are...

CZ 550 .375 H&H holds 5 in the mag. Not 100% sure about the 602, but I believe it to be the same.

I would recommend that you take a hard look at Cutting Edge MTH bullets for what you want to do. They are a bore rider design that allows for higher velocity than more conventional bullets of the same weight. You should be able to push their 200 grain bullet well north of 3100...

A 1:9.5 twist is plenty for heavy bullets even up to the long 180 VLD types. Partitions and the like are much shorter in length and will be no problem.

You really need more case capacity and, at least, a 24" barrel for a bullet like that to offer any advantage. If you load that bullet in a 7x57, at modern pressures, in the right action, you will max out around 2550 or so. Unless you have a custom barrel with an 8 twist, the bc will be...

The good old 7x57 is a cartridge that benefits more than most from handloading. Especially if there is an intent to practice a lot in order to master your rifle, loading your own makes sense. I purchased my Ruger #1 specifically with Africa in mind. I, too, opted for Nosler Partitions after...

Yes, 25-06 cases are known to work well to form 6.5-06 cases. However, if you also have a 25-06, the risk of an accident caused by ammo misidentification will be increased. In that case, you may wish to use 30-06 or .270 brass. Determine case capacity in grains of water, using a once-fired...

There is no such thing as a double rifle for DG that won't break the bank. A decent one will start well north of $10,ooo and go up from there. A working man's DG rifle will most commonly be in the form of a bolt action, such as a Winchester Model 70, Ruger 77, or CZ 550. Single shot Ruger...

These guys have some good ammo in stock right now: http://www.grafs.com/retail/catalog/category/categoryId/251? The Hornady 195 grain SP and the Sellier & Bellot 196 SPCE are both full power loads: http://www.grafs.com/retail/catalog/product/productId/24311...

The lone rifle on the list that I own is a Ruger #1A in 7x57. My .375 H&H is the reason I will never own a 9.3 of any flavor. I have a 338-06AI under construction. I understand the 338-06 owes its existence to the Westley Richards and the .33 Jeff.