AB big game rifle

sheephunter said:
Only if your reflection was 8% bigger.....

It's a fact that the .270WSM offers higher muzzle velocities than the .270 Win. What that means at normal hunting ranges likely doesn't mean squat but start pushing the range and it does become a factor.
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You go ahead and argue with the mirror about the SD and BC differences between the two.
 
chuck nelson said:
You go ahead and argue with the mirror about the SD and BC differences between the two.
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LMAO...obviously there is no SD or BC difference as they are identical calibres. Plus, I've always thought SD was an antiquated formula for discussing modern controlled expansion bullets. The differnce is in muzzle velocity...plain and simple. I've never tried to say anything different. But you'd sure like to put some words in my mouth....... you hearing voices again....:D
 
sheephunter said:
Good save...LMAO

I had it a long time ago...good to see you getting up to speed. Now add increased velocity into the equation and you might be surprised what you start getting.
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What I get is that I wasn't originally talking to you.

So tell me exactly what does that 8% increase in velocity get you in the field?
 
chuck nelson said:
What I get is that I wasn't originally talking to you.

So tell me exactly what does that 8% increase in velocity get you in the field?
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LOL....I think you are smart enough to figure it out yourself........

All I tried to point out from the begining was that the the 270WSM had more velocity than the 270Win....and it does. Hardly like looking in a mirror. No more so than when comparing a .30-06 to a .300WM....at least in my mirror. Maybe in your distorted mirror they are the same too. Possibly a little glass cleaner might help..:D
 
sheephunter said:
LOL....I think you are smart enough to figure it out yourself........

All I tried to point out from the begining was that the the 270WSM had more velocity than the 270Win....and it does. Hardly like looking in a mirror. No more so than when comparing a .30-06 to a .300WM....at least in my mirror. Maybe in your distorted mirror they are the same too. Possibly a little glass cleaner might help..:D
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And all I tried to point out from the beginning was that the guy arguing with you had hardly any argument at all.
 
chuck nelson said:
And all I tried to point out from the beginning was that the guy arguing with you had hardly any argument at all.
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LOL...well you keep believing that the .300WM and the .30-06 offer identical performance and I'll continue beliving that the .270WSM offers a performance advantage over the .270 Win......:D
 
sheephunter said:
LOL...well you keep believing that the .300WM and the .30-06 offer identical performance and I'll continue beliving that the .270WSM offers a performance advantage over the .270 Win......:D
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Now who is putting words in who's mouth?

Ironically I've owned and hunted with both. My longest kill shot was with the 30-06 and though I don't own either at the moment I'm having an 06 build start within the month. Your argument may hold water with some.
 
chuck nelson said:
I'm all ears TJ. Tell me what those physics applications accomplish in the field?

So far you have dodged that question nicely.
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I've dodged nothing.....I actually answered that question in my firt post. If you can't figure out what increased velocity does, I'm not sure I've got the time, nor the patience to explain it. When comparing bullets of identical BC, speed becomes the most important factor in time of flight. Reduce the time of flight and you reduce the effect of gravity over a given distance and you reduce the effects of factors like wind.

A good comparison of the .270WSM to the 270Win is the 300WM to the .30-06. Both use identical calibre bullets with a similar percentage difference in MV. Most people are familiar with the two .30cals and can more easily grasp the difference but as the .270WSM is a relative newcomer, many shooters aren't familiar with its ballistics. The fact remains, it launches the identical bullet faster than a .270Win.....by about the same percentage as a 300WM launches the identical bullet to a .30-06 faster.
 
Boomer said:
For all intents and purposes, with a difference of only .007", both .277 and .284 bullets can properly be considered 7mm. Consider a 150 gr mono-metal boat-tail spitzer bullet, the .277/150 has a SD of .279 and the .284/150 has a SD of .266. If fired at the same velocity, any difference between the two would be undetectable in the field, or for that matter on the rifle range, over normal hunting ranges.

Admittedly a TSX type bullet would probably not be chosen for extreme long range game shooting. At ranges where even very small differences of BC from one bullet to another can effect the point of impact by several inches, there would be a measureable difference between in the trajectory of .277" and .284" diameter bullets of the same style and weight even if both had the identical muzzle velocity.

Sheep, if that A-7 prints well enough to be effective on game at nearly half a mile, that speaks highly for Sako's QC. I personally wouldn't choose a small bore sporter for that type of activity, but its tough to argue with meat in the freezer.
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LOL...all very true and good solid info but I say again...the OP was asking about two .270 cartridges.....not a 7mm cartridge. I thought it a good idea to try and answer his question based on his criteria. There would be loads of other cartridges to compare but they aren't what he asked about.

It seems most A7s shoot very well...but then so too do most Tikkas.
 
sheephunter said:
With two years under my belt with the 270WSM now, I'd have to say it comes as close to being the perfect Alberta cartridge as there is. It is definitely well suited to the open country of the prairies and the rigors of the mountains and is more than capable of taking any big game animal that we can hunt here in Alberta. Nothing wrong with the .270Win.....it's just not the WSM:)

The Tikka T3 Lite and Sako A7 are great options in the .270WSM
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This answers the question of what difference the 270 WSM makes over the 270 Win in the field?
 
chuck nelson said:
This answers the question of what difference the 270 WSM makes over the 270 Win in the field?
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Nope. It answers the question of what one - no doubt capable and experienced - shooter feels about the two of them.

Nothing wrong with the WSM. Nothing at all. But is the extra $, recoil and noise worth it for the average shooter?

Bottom line, after all the sales pitch, after all the macho, after all the hype, after all the hoopla, is whether or not a given round, in the hands of a decent marksman, can put Bambi in a bowl reliably in the region it is used. The .270 WSM will do that, no question. But so will the .270 Winchester, so will the .30-06, so will the .308 - and so will any number of other cartridges.

Whether or not the average rifleman can take advantage of the extra range and oomph offered the by Shiny-&-New is something that needs to be considered, because within the average rifleman's capabilities, there are a whole display shelf of different rounds that can do the job and some of them are older than dirt.

It's like cars, to me. No doubt some cars can, in the hands of an expert driver and under ideal conditions, do 250 kph. For the average Joe stuck on the real-world freeway at 5 PM, he might as well be driving something a lot less hot, 'cause he ain't gonna get home no faster in that Porsche.
 
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