9,3 mm 258 gr RWS H-Mantel

Clodo Ferreira

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Hello,

A few days ago I got some old 25 bullet boxes of 9,3 mm 258 gr H-Mantel. By the way, RWS always made only one weight H-Mantel in the calibers they offered this bullet.
I have used, a lot, the 7 mm H-Mantel version, 173 gr, with almost unmatched performance in wild boars and Red Deer from 7x57 and 7x64 rifles.
Have any of you used this 258 9,3 mm H-Mantel? Y don´t think it would differ in performance in the same, or bigger, game animals. Will try them in the 9,3x62 the next coming Red Deer rutting season!

CF
 

Scrumbag

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Great bullets by reputation! Do you have load data?
 

Scrumbag

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Clodo, I will send you some by PM.

Best wishes,

Scrummy
 

Scrumbag

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CF, you should now have it. Let me know if it comes through or not.

Scrummy
 

Clodo Ferreira

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Thank you very much, Srumbag! When I said I had some with R15 and W 748, I was referring loads I developed myself. With various 250 gr bullets.
Best Regards!

CF
 

Scrumbag

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Thank you very much, Srumbag! When I said I had some with R15 and W 748, I was referring loads I developed myself. With various 250 gr bullets.
Best Regards!

CF

My pleasure my friend. Happy loading and shooting!
 

Scrumbag

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Thank you again! And it is my pleasure too!

Best!

CF
Do let us know how you get on. I'm currently investigating a load for a 9.3x62 and Nosler 250gr Accubond with RS52 powder I think. Should get the accubond into 2500 fps and isn't a very "hot" powder so kind to my older barrel
 

Clodo Ferreira

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Well, Scrumbag, I started my loads development based in other´s works, published in reloading books and magazines.

My components:
Rifle: BRNO ZKK 600 with 60 cm barrel length
Cases NORMA and RWS as my main ones. Also tried SAKO and Remington. The NORMA, SAKO and Remington have roughly the same capacity and behavior. The RWS I have are the last ones with big letters, noticeable heavier than the older ones, or the lots with smaller letters. I use 1 gr less powder with them for the same velocity.
Primers: with the three lighter (N, S, and R) I use CCI 250. With the RWS I use WLR primers, the ones with blue containers. That´s because the CCI 250 are too tight in the primer housing of my RWS cases. As that WLR primers are slightly smaller in diameter, they are a perfect match for the RWS cases.
The bullets I tried were:
Barnes TTSX and TSX
Hornady GMX
Nosler Accubond
Also tried a box of 50 of Sierra 250 grs .375" sized to .366".
Being the BRNO ZKK magazine length almost 89 mm, plus the loooong C.I.P. standard 9,3x62 free bore, I use a much longer non standard OAL for my cartridges with those bullets. Anyway, the maximum OAL I use is determined by the full contact of the case neck with the bullet. The rather short neck of the 9,3x62, less than 1 caliber, needs all that full contact with the bullet, for my like.

With R15 my final load for all bullets is 62 grs for around 2600 p/s. I tried 63 grs for around 2650 without any issue but feel more confortable with the first one.
With W748 I use the same 62 grs load for, practically, the same velocity and, presumably, similar pressures.

As Forrest Gump used to say "that's all I have to say about it"...
Best!

CF
 

Clodo Ferreira

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Ah, and about the H-Mantel 258 grs I will start with 59 or 60 grs of either of this powder. With the goal to reach a load for the same safe maximum velocity as with the 250s I tried.

CF
 

Scrumbag

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CF, that sounds good. I wish you the best of luck and let us know what works.

Scrummy
 

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