Three different .270's?

cmd17uc · December 17, 2005, 02:47 AM

Besides the ballistic differences in the .270 winchester, wsm, and weatherby, what are the cost, function, and availability differences in these rounds?
Seems to be the weatherby is the hottest load, followed by the wsm and then the winchester, but how common are these rounds? From the research I've done so far none of these rounds seem to be very common, and any articles I do happen to come upon are seemingly ambiguous as to which .270 they are referring to.

Basically I'm looking for the practical differences in these three .270 load variations, as well as cost and availability.

Thanks for any help or information you might be able to direct me to!

mtnboomer · December 17, 2005, 05:26 AM

The .270 Winchester not common?!

The .270 Winchester can be found at most any place that sells ammunition. It is one of the most popular calibers ever created. If the articles you read don't specify WSM or Weatherby - it's the Winchester! The .270 Winchester was made by necking the .30-06 Springfield down to .277".

Speed:
Weatherby
WSM
Winchester

Popularity:
Winchester
WSM
Weatherby

Cost (cheapest to highest):
Winchester
WSM
Weatherby

Availability:
Winchester
WSM
Weatherby

cmd17uc · December 18, 2005, 12:55 AM

If the .270 winchester is a necked down .30-06, what are the .270 wsm and weatherby cases like? Are they all based off of the .30-06 or do they only share characteristics in the .270-.277 bullet caliber?

Thanks again for the replies.

**Mike Irwin** · December 18, 2005, 01:22 AM

The only thing they share are bullet diameter.

The .270 Wby. is based on belted case.

mtnboomer · December 18, 2005, 06:13 AM

No, only the .270 Winchester is based on the .30-06 (as are the .25-06, .280 Remington, .338-06 A-Square, and several wildcats).

All the WSMs use basically the same short, fat case - just slightly reconfigured.

The Weatherby, as Mike said, is a proprietory belted magnum case.

Jseime · December 27, 2005, 10:26 PM

Quote:

what are the .270 wsm and weatherby cases like? Are they all based off of the .30-06 or do they only share characteristics in the .270-.277 bullet caliber?

the .270 WSM is the Winchester Short Magnum which is a short fat case which gives you magnum ballistics in a short action round. It was recently introduced shortly after its big brother the .300WSM. The Winchester Short Magnum lineup now includes the .270 7mm .300 and .325. why youd need a .270 (.277) and a 7mm (.284) is totally beyond me

the .270 Weatherby Magnum was made by Roy Weatherby who has a whole stable of his own large fast expensive belted magnums and a really nice line of rifles. .270 Weatherby cases are large belted magnums with sloping rounded shoulders.

and as has already been said the .270 Winchester is a necked down .30-06

mtnboomer nailed the stats for popularity, speed and the like

longtines · December 28, 2005, 01:21 AM

[q]The Winchester Short Magnum lineup now includes the .270 7mm .300 and .325. why youd need a .270 (.277) and a 7mm (.284) is totally beyond me
[/q]

Also, the 25 WSSM, which is a neat cartridge.

December 17, 2005, 02:47 AM	#1
cmd17uc Junior Member Join Date: September 21, 2005 Posts: 10	Three different .270's? Besides the ballistic differences in the .270 winchester, wsm, and weatherby, what are the cost, function, and availability differences in these rounds? Seems to be the weatherby is the hottest load, followed by the wsm and then the winchester, but how common are these rounds? From the research I've done so far none of these rounds seem to be very common, and any articles I do happen to come upon are seemingly ambiguous as to which .270 they are referring to. Basically I'm looking for the practical differences in these three .270 load variations, as well as cost and availability. Thanks for any help or information you might be able to direct me to!

December 17, 2005, 05:26 AM	#2
mtnboomer Senior Member Join Date: July 9, 2004 Location: Oklahoma by birth. America by the grace of God. Posts: 635	The .270 Winchester not common?! The .270 Winchester can be found at most any place that sells ammunition. It is one of the most popular calibers ever created. If the articles you read don't specify WSM or Weatherby - it's the Winchester! The .270 Winchester was made by necking the .30-06 Springfield down to .277". Speed: Weatherby WSM Winchester Popularity: Winchester WSM Weatherby Cost (cheapest to highest): Winchester WSM Weatherby Availability: Winchester WSM Weatherby __________________ Quando Omni Flunkus Moritati (If all else fails - play dead!) Support the Second Amendment. Join the NRA > http://www.nra.org < Oklahoma State & Big 12 - #1 GO POKES!!!!!

December 18, 2005, 01:22 AM	#4
Mike Irwin Staff Join Date: April 13, 2000 Location: Northern Virginia Posts: 41,390	The only thing they share are bullet diameter. The .270 Wby. is based on belted case. __________________ "The gift which I am sending you is called a dog, and is in fact the most precious and valuable possession of mankind" -Theodorus Gaza Baby Jesus cries when the fat redneck doesn't have military-grade firepower.

December 18, 2005, 06:13 AM	#5
mtnboomer Senior Member Join Date: July 9, 2004 Location: Oklahoma by birth. America by the grace of God. Posts: 635	No, only the .270 Winchester is based on the .30-06 (as are the .25-06, .280 Remington, .338-06 A-Square, and several wildcats). All the WSMs use basically the same short, fat case - just slightly reconfigured. The Weatherby, as Mike said, is a proprietory belted magnum case. __________________ Quando Omni Flunkus Moritati (If all else fails - play dead!) Support the Second Amendment. Join the NRA > http://www.nra.org < Oklahoma State & Big 12 - #1 GO POKES!!!!!

December 28, 2005, 01:21 AM	#7
longtines Member Join Date: November 21, 2005 Location: Tupelo, MS Posts: 63	[q]The Winchester Short Magnum lineup now includes the .270 7mm .300 and .325. why youd need a .270 (.277) and a 7mm (.284) is totally beyond me [/q] Also, the 25 WSSM, which is a neat cartridge. __________________ "Barks over here....bites over there"

December 18, 2005, 12:55 AM	#3
cmd17uc Junior Member Join Date: September 21, 2005 Posts: 10	If the .270 winchester is a necked down .30-06, what are the .270 wsm and weatherby cases like? Are they all based off of the .30-06 or do they only share characteristics in the .270-.277 bullet caliber? Thanks again for the replies.