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simonsaorsa
.300 member

Reged: 11/05/06
Posts: 172
Loc: UK

New Woodleigh 180 gr bullet for 270
#131857 - 09/04/09 05:49 AM

From woodleigh's new catalogue, I see they are offering this whopping bullet for the 270 . Does anyone know if loading data is available for that size of bullet in the 270 Winchester - not the WSM mind you?

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rscott
.333 member

Reged: 21/03/08
Posts: 328
Loc: wyo., USA

Re: New Woodleigh 180 gr bullet for 270 [Re: simonsaorsa]
#131858 - 09/04/09 06:05 AM

don't know where you are or what powders are available to you.
my Hodgdon data manual #26 has data for a 180 using Hodgdon powder only.
270 WCF.
for H4831; starting load 51 gr., vel. 2434, 45,600 CUP. max 54 gr, 2581, 52,000 CUP
H1000; start 57 gr, 2460, 41,500 CUP. max 60 gr, 2614, 50,300 CUP
H4350; start 46 gr, 2269, 43,600 CUP. max 48 gr, 2387, 50,100 CUP
also lists H870 but starting is 60 gr and i think you'd have a highly compressed load.
regarding case volume, think H4831 would be the call.

i think Alliant R22 or IMR 7828 could be used with the same data as the H4831 if you proceed carefully.

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simonsaorsa
.300 member

Reged: 11/05/06
Posts: 172
Loc: UK

Re: New Woodleigh 180 gr bullet for 270 [Re: rscott]
#131867 - 09/04/09 07:13 AM

Thanks! Mind you , it might have been an April fool joke on woodleigh's part.

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rscott
.333 member

Reged: 21/03/08
Posts: 328
Loc: wyo., USA

Re: New Woodleigh 180 gr bullet for 270 [Re: simonsaorsa]
#132254 - 14/04/09 07:35 AM

Quote:

Thanks! Mind you , it might have been an April fool joke on woodleigh's part.

no april fools joke. Woodleigh's website lists as new for 2009.

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rigbymauser
.400 member

Reged: 15/05/05
Posts: 1972
Loc: Denmark

Re: New Woodleigh 180 gr bullet for 270 [Re: rscott]
#132338 - 15/04/09 04:38 AM

I think I am going to get some for my .270weatherby. I think such a heavy bullet will give the edge to the weatherby round, on bigger game such as zebra, kudu and downwards.

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260rem
.375 member

Reged: 16/04/06
Posts: 757
Loc: NSW Australia

Re: New Woodleigh 180 gr bullet for 270 [Re: rigbymauser]
#132482 - 16/04/09 11:12 AM

Good luck with that, if it can handle the Weatherby speeds then I might have to try them.

--------------------
One shot is all you need.

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9.3x57
.450 member

Reged: 22/04/07
Posts: 5521
Loc: United States

Re: New Woodleigh 180 gr bullet for 270 [Re: 260rem]
#132492 - 16/04/09 11:50 AM

I'm wondering if the "normal" 1/10" twist of the .270 Win will stabilize a long 180??? Maybe a very blunt RN...maybe, but a pointed, long 180? I wonder...

--------------------
What are the Rosary, the Cross or the Crucifix other than tools to help maintain the fortress of our faith in Jesus Christ, the Son of God?

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JTOMLINSON
.300 member

Reged: 16/02/05
Posts: 188
Loc: York, England

Re: New Woodleigh 180 gr bullet for 270 [Re: 9.3x57]
#135330 - 14/05/09 04:31 AM

A while back Barnes offered the Traditional range of bullets and included one in 180 grain for the .270 in their Number 1 manual they listed the following loads for it:

federal cases and 210 primers, case trimmed to 2.530 inches

Powder

IMR 4350 46.00 (2567 fps) - max 50.00 (2685 fps)

IMR 4831 47.00 (2528 fps) - max 51.00 (2690 fps)

IMR 7828 50.00 (2603 fps) - max 54.00 (2731 fps)

h 414 44.0 (2499 fps) - max 48.5 (2639 fps)

H 4831 51.0 (2622 fps) - max 55.0 (2737 fps)

RL 19 49.0 (2596 fps) - max 53.0 (2721 fps)

Rl 22 49.0 (2608 fps) - max 53.5 (2743 fps)

these are figures from the Barnes Volume # 1 and NOT my figures so anyone minded to follow them must advance with the usual caution.

a friend did however try some here in the UK a while back and found pressure problems in his rifle ( a Sako I think) and also they did not stabilise at 100 yards, hegave up on them and went back to 150 partitions

jonathan

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9.3x57
.450 member

Reged: 22/04/07
Posts: 5521
Loc: United States

Re: New Woodleigh 180 gr bullet for 270 [Re: JTOMLINSON]
#135351 - 14/05/09 11:11 AM

Jtom, a 180/.270 @ 2650 fps sounds like a real winner to me.

With a 1/8 twist and good solder-core type bullets, such a combination should make for an excellent cartridge of somewhat different performance to the "standard" .270. I have a feeling the performance of the 6.5x55 sheds good light on what might be done with long-for-caliber .270 bullets.

Thanks for posting. I did not think the standard 1/10 twist was quite up to making a 180/.270 go where we want it to go. Possibly some might get ok accuracy out of the old twist, but I reckon most won't.

--------------------
What are the Rosary, the Cross or the Crucifix other than tools to help maintain the fortress of our faith in Jesus Christ, the Son of God?

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