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Offline Dinny

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Which is better?
« on: September 03, 2010, 04:47:35 PM »
I want a .35 HCR. It's a 35 caliber magnum cartridge that uses a 300 338 Win Mag case that has been necked up to 35 cal. Now which is better or even doable? Since I want it for as little as possible (taking a gamble that I will use it more than once), is it better to rebore a TC Encore 300 338 Win Mag barrel or rechamber a TC Encore .35 Whelen barrel?  I like the idea of rechambering because it would be much cheaper, but I don't know enough about the inner workings of the Encore barrels to say that it could be done that simply.

EDIT: It is based on a necked-up 338 WM case, not 300.

Thanks, Dinny


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Offline tacklebury

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Re: Which is better?
« Reply #1 on: September 03, 2010, 08:09:17 PM »
I'd think that the magnum would be because you want to push longer/heavier bullets, so would the twist of the .35 Whelen be acceptable?  If not, probably rebore.  8)
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Offline Nobade

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Re: Which is better?
« Reply #2 on: September 04, 2010, 04:00:44 PM »
What, a 35 whelen isn't powerful enough? Anyhow, if it were me I'd go for the rechamber. I'd also make it a 358 STA since if some is good more must be better. Plus dies are cheaper and you get more neck. Twist rate is gonna likely be 1:12 on either.
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Offline Dinny

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Re: Which is better?
« Reply #3 on: September 04, 2010, 05:11:06 PM »
Quote from: tacklebury on September 03, 2010, 08:09:17 PM
I'd think that the magnum would be because you want to push longer/heavier bullets, so would the twist of the .35 Whelen be acceptable?  If not, probably rebore.  8)

That's what I haven't found much info on...twist rate. Most Whelens are 1:16" but with the HCR being considerably faster I wonder if it would need to be a 1:12".

Thanks, Dinny
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Offline Dinny

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Re: Which is better?
« Reply #4 on: September 04, 2010, 05:24:17 PM »
Quote from: Nobade on September 04, 2010, 04:00:44 PM
What, a 35 whelen isn't powerful enough? Anyhow, if it were me I'd go for the rechamber. I'd also make it a 358 STA since if some is good more must be better. Plus dies are cheaper and you get more neck. Twist rate is gonna likely be 1:12 on either.

There's only about 150fps that separate the 35 HCR and 358 STA.  At least that's what a little research has shown to be the case with 250gr bullets.

Thanks, Dinny
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Offline Nobade

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Re: Which is better?
« Reply #5 on: September 05, 2010, 03:04:48 AM »
Aah, I see you edited the post. Building it on a 338 win mag case makes more sense. Now you'll have enough neck to hold the bullet well and it should work great. Just rechamber that whelen and you're good to go.
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Offline moorepower

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Re: Which is better?
« Reply #6 on: September 07, 2010, 12:56:42 PM »
What are you shooting that a 338 WM won't kill?
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Offline Dinny

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Re: Which is better?
« Reply #7 on: September 07, 2010, 06:21:45 PM »
Quote from: moorepower on September 07, 2010, 12:56:42 PM
What are you shooting that a 338 WM won't kill?

The 338 Win Mag will work fine, but I like 35s. I'm hoping to get assigned to Alaska next year. ;)

Thanks, Dinny
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Offline gunnut69

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Re: Which is better?
« Reply #8 on: September 23, 2010, 10:36:58 PM »
I doubt the re-chamber will work as the 35 Whelan is longer than the 338 WM so the original chamber won't clean up. Perhaps a 35 Rem but I'd check the twist rate first..
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Offline Dinny

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Re: Which is better?
« Reply #9 on: September 24, 2010, 04:08:52 PM »
Quote from: gunnut69 on September 23, 2010, 10:36:58 PM
I doubt the re-chamber will work as the 35 Whelan is longer than the 338 WM so the original chamber won't clean up. Perhaps a 35 Rem but I'd check the twist rate first..

Well that wasn't my best idea...Back to the drawing boards. :D

Thanks, Dinny

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Handi Family: 357 Max, 45 LC, 45-70, 300 BLK, 50 cal Huntsman, and 348 Win.

"If there must be trouble, let it be in my day that my child may have peace"
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