Looking for input on 300 win mag or 300 wsm

[hamiltonkiler]

Mmm 300wm


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[Mtpilatus]

Out of curiosity, why are you suggesting 300 win mag?

[nksmfamjp]

Peterson brass available, one more round, and pushes bigger bullets faster.

[yobuck]

Peterson brass available, one more round, and pushes bigger bullets faster.

So im simply asking, but how far would you think it might be before say a 230 gr caught up with a 190 gr shot from a 300 Win mag using a max load?
Try them both at say 1000 yds and see which takes less clicks on the dial to get there.
So that leaves the question of is a 190 enough to kill a deer? lol
While your at it, shoot the WSM also, and count the clicks on that as well.

[nksmfamjp]

So im simply asking, but how far would you think it might be before say a 230 gr caught up with a 190 gr shot from a 300 Win mag using a max load?
Try them both at say 1000 yds and see which takes less clicks on the dial to get there.
So that leaves the question of is a 190 enough to kill a deer? lol
While your at it, shoot the WSM also, and count the clicks on that as well.

Huh?

[tobnpr]

No practical difference in ballistics at any given range between the Win Mag and WSM.
I'm building one (short mag) as we speak, on an M700 (short) action which I've modified to accept the Wyatts extended length box mag.
For heavy VLD's, the additional length is a plus in a long action- so it's obviously suited for that.

Depending on the bullets (I'm just getting into running the numbers), looks like those in the 200 class will need the chamber to be throated longer, as the SAAMI spec chamber has zero freebore.
With a long action, there would be all the room in the world to seat even the heaviest VLD's all the way "out" (maximizing case capacity)- but again, freebore is the issue.

I've not owned/reloaded for a belted magnum- but that's another consideration if deciding between the two.

[Mtpilatus]

So what's the longest oal/biggest pill for each caliber? Barrel chamber will be saami spec'd. Have a long action that will probably be used.

[hamiltonkiler]

Out of curiosity, why are you suggesting 300 win mag?

Simply because they work.
A 220gn smk will shoot way way out there.
And within any normal range 1200yds will anchor animals.

The US Navy use them for a reason.




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[jkv45]

A pretty in-depth article comparing .300 WM and .300 WSM in numerous categories for those that aren't familiar with either (like me...) -

https://www.snipercountry.com/300-wsm-vs-300-win-mag/

[mikeinco]

the us navy used them because THEY WERE AVAILABLE FOR TESTING, NOT ENOUGH BERGERS ON THE SHELF.
so the navy round he speaks of will lock up a stnd 300 win mag action.
the load is 3.5" not 3.34, the mil does not reload, a case full of h1000. the use a stiller custom action not a savage.
and a 26+" lilja bbl.
OHHH AND 68KPSI NOT SAAMI 65KSI
and a custom 300 wm reamer( i own one)
none of this is a kit gun made from off the shelf parts.
i have one, i shoot both the std mk248 mod1 (220) load, and i shoot
230 bergers even faster with reloader 26.
i also just built a 300 wsm...target rifle
300 wsm is much better in a long action...bullet choice does not impact powder volume.

there is a die made for sizing belted mag brass at the belt..then it lasts a long time.

Simply because they work.
A 220gn smk will shoot way way out there.
And within any normal range 1200yds will anchor animals.

The US Navy use them for a reason.




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[mikeinco]

pretty silly to build a rifle and limit yourself to a saami chamber.
you can throat for a bullet and not mess with brass chamber size.
most custom 300 wsm's are done on long actions

[mikeinco]

decide what bullet you want to shoot, what distance and then work on which case/chamber..

[mikeinco]

there is a big hazard listening on the internet
yes the navy shoots a 220 smk
specifically in a SEAL mk13(mod7+) sniper rifle
with a stiller action not a savage
with a custom reamer, not saami
at 3.5 oal, not saami 3.34
at 68kpsi, not saami 62kpsi
with a case full of h1000 to get 2800 fps, which you cannot do with saami specs
i have a mk13 sniper rifle, it is not a savage off the shelf parts gun
do not try this at home

[hamiltonkiler]

the us navy used them because THEY WERE AVAILABLE FOR TESTING, NOT ENOUGH BERGERS ON THE SHELF.
so the navy round he speaks of will lock up a stnd 300 win mag action.
the load is 3.5" not 3.34, the mil does not reload, a case full of h1000. the use a stiller custom action not a savage.
and a 26+" lilja bbl.
OHHH AND 68KPSI NOT SAAMI 65KSI
and a custom 300 wm reamer( i own one)
none of this is a kit gun made from off the shelf parts.
i have one, i shoot both the std mk248 mod1 (220) load, and i shoot
230 bergers even faster with reloader 26.
i also just built a 300 wsm...target rifle
300 wsm is much better in a long action...bullet choice does not impact powder volume.

there is a die made for sizing belted mag brass at the belt..then it lasts a long time.

It’s just a Remington off the shelf 700 action with a barrel.
Savage works fine.


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[Mtpilatus]

Thanks for all the input and all the insights and experiences. It will be built on a ss long action. I am kind of leaning towards the won mag because of all the factory loads available even though I will be hand loading.

[mikeinco]

as usual you are WRONG.
IT IS A STILLER MK13 ACTION, like STILLER TAC300 WITH LOSER TOLERENCES.
do not listen to this guy.

It’s just a Remington off the shelf 700 action with a barrel.
Savage works fine.


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