300 RUGER COMPACT MAGNUM

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John T
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Joined: Sat Jan 07, 2006 5:42 pm
Location: Brisbane

300 RUGER COMPACT MAGNUM

#1 Postby John T » Mon Jul 11, 2022 2:01 pm

Hello all, especially Rod Davies.

On paper, the 300 RCM has some pros as an F Open caliber. It is larger than the RSUAM but smaller than the WSM. A con is very thin walls.

Why mention 30 cal when everyone knows that 7 mm bullets have superior B.C's. ? The larger bullet diameter results in a larger bore, therefore a better volume-to-bore ratio. This is an important factor in case efficiency. Also, it has been stated that more bullet-to-bullet consistency can be achieved in the manufacture of the larger diameter bullet.

Does anyone have experience with the 300 RCM?

Regards,
John T.

Barossa_222
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Location: Barossa Valley

Re: 300 RUGER COMPACT MAGNUM

#2 Postby Barossa_222 » Mon Jul 11, 2022 7:52 pm

Is there any reason why the 300wsm doesn't turn you on?

John T
Posts: 241
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Location: Brisbane

Re: 300 RUGER COMPACT MAGNUM

#3 Postby John T » Mon Jul 11, 2022 11:03 pm

OVERBORE AND TOO MUCH RECOIL.

John T
Posts: 241
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Location: Brisbane

Re: 300 RUGER COMPACT MAGNUM

#4 Postby John T » Mon Jul 11, 2022 11:11 pm

The 300WSM is overbore, resulting in lower efficiency and reduced accuracy.

Recoil makes this case unmanageable over the course of fire of F Open competition.

Mick_762
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Location: Darwin (again)

Re: 300 RUGER COMPACT MAGNUM

#5 Postby Mick_762 » Tue Jul 12, 2022 7:54 am

John T wrote:The 300WSM is overbore, resulting in lower efficiency and reduced accuracy.

Recoil makes this case unmanageable over the course of fire of F Open competition.


Someone should let Steve Lazarus know that then.
He won the NT Queens F Open using a 300WSM for the “shorts” and a 7SAUM for the “longs”.

I would say the accuracy was acceptable, and recoil can be mitigated to a point with stock design and the recoil was manageable by Steve.
David Mickel
Darwin Rifle Club

John T
Posts: 241
Joined: Sat Jan 07, 2006 5:42 pm
Location: Brisbane

Re: 300 RUGER COMPACT MAGNUM

#6 Postby John T » Tue Jul 12, 2022 12:28 pm

Hello.

This Topic is "300 RUGER COMPACT MAGNUM". My question is, does anyone have experience with the 300 RCP?

it is not about the 300 WSM. Nor am I looking at any case comparisons.

I'm looking for information, not a debate.

If you want to hijack this Topic, I'll leave you to it.

John T.

Barossa_222
Posts: 408
Joined: Sat Feb 08, 2014 6:58 pm
Location: Barossa Valley

Re: 300 RUGER COMPACT MAGNUM

#7 Postby Barossa_222 » Tue Jul 12, 2022 12:55 pm

I was just curious as they are quite similar.

A mate had a gun built on the 375 Ruger necked down to 30cal, which I believe was the parent case for the 300RCM. That never saw a lot of daylight. I shot it once at Lower Light and while recoil was noticeable, I didn't find it oppressive. It used to chuck 230gr Bergers out above 3000fps and was like throwing bricks at the target from 1000 metres. I think quality brass might hold you back, the cartridge never really took off and is a bit of a dead duck now. Good luck with your project.
Last edited by Barossa_222 on Tue Jul 12, 2022 2:43 pm, edited 1 time in total.

John T
Posts: 241
Joined: Sat Jan 07, 2006 5:42 pm
Location: Brisbane

Re: 300 RUGER COMPACT MAGNUM

#8 Postby John T » Tue Jul 12, 2022 1:23 pm

Hello Barossa.

Thank you, just what I'm looking for. Comes as no surprise.
That said, a 230 Berger @3000+ must have taken a hell of a load. Hodgdon recommends a maximum load for the 220gr Hdy EDL-X of 58.7 of H4350/2209 in the 300 WSM, 2634fps, 63,800 psi, 24' barrel.
Regards,
John T.


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