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 Post subject: 375 H&H AI - 260 Partition - 7 Jugs
PostPosted: Sun Sep 23, 2018 3:27 pm 

Joined: Sun Dec 24, 2006 12:20 pm
Posts: 29203
Location: Northern Virginia
Well, I was fireforming some cases for the big gun and got bored just shooting the paper off hand over the sights. Since I had about 10 jugs I decided to line them up and see what the load would do. It's right out of the Nosler manual, 71 grains of RL15, 260 Partition, RP cases, CCI250 primers. Pretty easy shooting load really. Anyhow, here is what it looked like.

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Pretty danged good weight retention as well..

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I think it went about .680"ish for expansion..

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After I shot it into the jugs, the next 5 I put over the Magnetospeed to see what it was clocking for speed..

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Just like I thought, nothing but a 35 Whelen! :mrgreen:

Anyhow, the cases are coming out nicely now though. I am shooting 5 and scrubbing the barrel back to bare steel in preparation for Dyna Bore Coat. These rebores always seems to grab onto copper really heavy, so I am trying to get ahead of it on this one. Much better after the first 30 rounds and now after a light scrubbing with JB's and some CU2 it is cleaning up real nice. DBC should make it that much better.

And here is the finished product....

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 Post subject: Re: 375 H&H AI - 260 Partition - 7 Jugs
PostPosted: Sun Sep 23, 2018 4:15 pm 
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Joined: Mon Mar 11, 2013 6:02 am
Posts: 7362
Location: East Coast
That ought to be a real flat shooting Elk round Scotty.
I was wondering why you went with the Ackely version but then remembered it had been a 300 Bee and that was the only way to get it to clean up the chamber.
Either way I like it and you won't have to worry with trimming after the first time.


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 Post subject: Re: 375 H&H AI - 260 Partition - 7 Jugs
PostPosted: Sun Sep 23, 2018 7:16 pm 

Joined: Thu Nov 04, 2004 1:56 pm
Posts: 2450
Location: Idaho
My 375-358STA will shoot 250 Sierras at 3080fps with 89grs of IMR4350 in a 27" barrel. That is far from a 35 Whelen. I killed 5 or 6 elk with it.


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 Post subject: Re: 375 H&H AI - 260 Partition - 7 Jugs
PostPosted: Sun Sep 23, 2018 7:45 pm 

Joined: Sun Dec 24, 2006 12:20 pm
Posts: 29203
Location: Northern Virginia
IdahoCTD wrote:
My 375-358STA will shoot 250 Sierras at 3080fps with 89grs of IMR4350 in a 27" barrel. That is far from a 35 Whelen. I killed 5 or 6 elk with it.


I was just kidding. Mines a 26” barrel so I’m probably pretty close to you. These were just FF’ing loads to get some brass.

Glad 4350 works. Was planning on running it. Got a ton of the stuff.

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 Post subject: Re: 375 H&H AI - 260 Partition - 7 Jugs
PostPosted: Sun Sep 23, 2018 8:06 pm 

Joined: Thu Nov 04, 2004 1:56 pm
Posts: 2450
Location: Idaho
R-26 might scream in it since the bore to case size ratio is similar to a 300wsm. The 260's have quite a bit longer bearing surface and tend to run 50fps slower or so.


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 Post subject: Re: 375 H&H AI - 260 Partition - 7 Jugs
PostPosted: Sun Sep 23, 2018 8:33 pm 

Joined: Wed Nov 08, 2006 2:49 pm
Posts: 34327
Location: Northern British Columbia
Still, the bullet performance is classic. Can't see much standing up to it. By the same token, not much stands in the way of the 35 Whelen, now that I think of it.

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 Post subject: Re: 375 H&H AI - 260 Partition - 7 Jugs
PostPosted: Sun Sep 23, 2018 9:06 pm 

Joined: Thu Nov 04, 2004 1:56 pm
Posts: 2450
Location: Idaho
They are a hammer on elk Mike. I can't remember an elk going more than 10ft when shot in the vitals. I hit one in the ankle at 650yds that I had to chase for 3/4 of a mile but I got him with another shot to the vitals.


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 Post subject: Re: 375 H&H AI - 260 Partition - 7 Jugs
PostPosted: Mon Sep 24, 2018 5:31 am 

Joined: Thu Apr 06, 2006 8:42 am
Posts: 14686
Location: Washington State
Good looking bullet, and well, just great since it's a 375 rifle!

Guy


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 Post subject: Re: 375 H&H AI - 260 Partition - 7 Jugs
PostPosted: Mon Sep 24, 2018 5:50 am 

Joined: Thu Apr 06, 2006 8:42 am
Posts: 14686
Location: Washington State
BTW, when did Scotty get a 375 rifle???

I missed that whole thing until now!

Guy


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 Post subject: Re: 375 H&H AI - 260 Partition - 7 Jugs
PostPosted: Mon Sep 24, 2018 6:23 am 
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Joined: Mon Mar 11, 2013 6:02 am
Posts: 7362
Location: East Coast
Guy Miner wrote:
BTW, when did Scotty get a 375 rifle???

I missed that whole thing until now!

Guy
Oh I don't think you missed anything Guy. He just put the horse before the cart :grin:
He will probably tell you about it in another post.


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 Post subject: Re: 375 H&H AI - 260 Partition - 7 Jugs
PostPosted: Mon Sep 24, 2018 6:29 am 

Joined: Sun Dec 24, 2006 12:20 pm
Posts: 29203
Location: Northern Virginia
Guy Miner wrote:
BTW, when did Scotty get a 375 rifle???

I missed that whole thing until now!

Guy


You gotta be quick around here Guy.... :mrgreen:

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 Post subject: Re: 375 H&H AI - 260 Partition - 7 Jugs
PostPosted: Mon Sep 24, 2018 7:30 am 

Joined: Thu Apr 06, 2006 8:42 am
Posts: 14686
Location: Washington State
:mrgreen:


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 Post subject: Re: 375 H&H AI - 260 Partition - 7 Jugs
PostPosted: Mon Sep 24, 2018 12:17 pm 

Joined: Mon Feb 27, 2006 7:09 pm
Posts: 4817
Location: Western Montana
Perfect Partition Performance! Very pretty mushrooms.
David

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 Post subject: Re: 375 H&H AI - 260 Partition - 7 Jugs
PostPosted: Mon Sep 24, 2018 6:15 pm 

Joined: Sun Apr 04, 2010 9:59 pm
Posts: 4605
Quote:
BTW, when did Scotty get a 375 rifle???

I missed that whole thing until now!

Guy


A well kept secret I didn't either.

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 Post subject: Re: 375 H&H AI - 260 Partition - 7 Jugs
PostPosted: Wed Sep 26, 2018 5:57 am 

Joined: Tue Jan 24, 2012 8:45 pm
Posts: 627
Location: Right here!
I think the better question is.................what rifle doesn't Scotty have? :mrgreen:


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