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For fun's, I tested out (5) different 7mm 175 bullets, shooting into dry print at 100 yards distance.

Dry print btw is brutal on bullets!!

I used a Tikka T3 SL in 7mm Rem Mag.

All the bullets were loaded with 70.0 grains of Retumbo for an average mv of 2,950 to 2,970.
Using a Magneto Chronograph.

Results for penetration and weight retention.

Nosler 175 Partition....... 9.0" 110.0 grains.. width .55

Nosler 175 LRAB........... 4.0" completely shattered bullet.

Sierra 175 Game King......8.5" 88.0 grains.. width .76

Hornaday 175 round nose.... 8.5" completely shattered bullet.

Hornaday 175 Interlock..... 8.0" 85.0. grains... width .78

Nosler 160 AB...............8.0" 69.0 grains....width .69


Interesting enough, in regards to the Sierra bullet, I can't confirm but my understanding is that Brian Litz measured the Sierra 175 GK at .559 BC and the Nosler Partiton at .453

I have killed elk using the Sierra and would not hesitate using the bullet on a trophy bull elk hunt. It is very accurate and would make a good long range 7mm bullet.
It penetrated within a .5" of the Partition.
I believe the Sierra is often overlooked.


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I'd like to try that with the 180 scenar and 168 Berger hybrid. Bit surprised the 160 accubond did so well.

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I like the Berger 168 Hybrid too and would use it on a broadside elk. Sure would not want to rake one with it.


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Yeah, dry newsprint is a sure-enough test for bullets.

I have also had good results with the 160 Sierra GK from the 7x57 in dry paper--and on game.


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Your results don't surprise me too much as I've sectioned most of those bullets and, with the exception of the 175 LRAB, have found the jackets are all similiar in thickness and taper. I'm sure the lead hardness is similiar too as these bullets are designed for heavy game.

I am puzzled that the 175 Hornady RN would come apart. I would have guessed a larger expansion diameter and shorter penetration than the spire point. Things that make you scratch your head.

Seems father time is catching up to the venerable 175 Partition as the cup-n-core boys are catching up to it's legendary penetration ability.

The Sierra 175 BT continues to make me want to try it out this year.

Thanks for the info.


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I am puzzled that the 175 Hornady RN would come apart. I would have guessed a larger expansion diameter and shorter penetration than the spire point.


That was my thinking as well. I was very surprised that there was nothing left of the bullet.


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Shot a little WT on the point of the shoulder (7x57 30 yds.) a couple of years ago w/the RN and it lost its core in the right rear 1/4 but jacket and core were next to each other. Muddy

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Originally Posted by SU35
I like the Berger 168 Hybrid too and would use it on a broadside elk. Sure would not want to rake one with it.



I'll send you a few Scenars if you'll do the test with them.

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Originally Posted by SU35
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I am puzzled that the 175 Hornady RN would come apart. I would have guessed a larger expansion diameter and shorter penetration than the spire point.


That was my thinking as well. I was very surprised that there was nothing left of the bullet.



I’m not surprised all that much as I have seen their RNs wear pretty thin even in flesh and in even larger calibers. On the other hand, consider that you don’t get penetration from nothing, and that bullet apparently tied for second-place penetration. What the bullet finally looks like matters not if it works reliably and consistently to get the penetration and damage needed. The Sierra is no surprise to me either as they use a decently hard core in their heavier game-type GameKings in many/most calibers. Sierra bullets work well under the older traditional rules of bullet selection (they “burn off” like a candle so you need heavier/longer bullets for longer penetration requirements). I believe they have suffered somewhat from internet ‘bullying’; they don’t quite make the cut with the ‘in crowd’.


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Glad to see Sierra did so well. I've been tested them in game animals for years. They are a very accurate bullet as well. I've been thinking about getting a big Sierra sticker for my meat freezer.grin

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Did you shoot these for accuracy also ?

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I will always over look Sierra for the reason that a 165 grain 30 caliber Sierra Game King out of an 06 was stopped by a white tail's shoulder. She ran off on three legs. (I eventually dropped her. two more bullets. Nothing like shot up meat. I'll never use Sierras on game animals except for perhaps a 35 Remington. I don't like explosive bullets and that is my experience along with other I've hunted with.


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What the bullet finally looks like matters not if it works reliably and consistently to get the penetration and damage needed.


I agree, one thing I should have noted with the RN was the wider path of destruction it left.


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Did you shoot these for accuracy also ?

Yes, I did, and the 7mm 175 as always, has shot sub-moa in my rifles.

Quote
I will always over look Sierra for the reason that a 165 grain 30 caliber Sierra Game King out of an 06 was stopped by a white tail's shoulder.


I don't doubt you, and I don't doubt the stories like this from 'premium' bullets either.
I have a few stories myself.



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Yikes--I guess I can take the 168 ABLR off the waiting list--it appears not to be holding out as much promise for longer shots on elks as I was hoping

thanks for that, SU


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The 168 LRAB has nearly the same jacket as the 175 LRAB and I can't get the 168 to shoot out of my rifle. 2"+ groups is the best it will do and was a little slower than I expected it would be. That box of bullets sits on the shelf now.


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appreciate it

irked for the wait, to boot.


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Originally Posted by tomk
Yikes--I guess I can take the 168 ABLR off the waiting list--it appears not to be holding out as much promise for longer shots on elks as I was hoping

thanks for that, SU




Why does a bullet that is designed to by used at LR not offering much promise for using at LR?

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Originally Posted by Formidilosus
Originally Posted by tomk
Yikes--I guess I can take the 168 ABLR off the waiting list--it appears not to be holding out as much promise for longer shots on elks as I was hoping

thanks for that, SU




Why does a bullet that is designed to by used at LR not offering much promise for using at LR?


Damn what a conundrum. I have been waiting to try the 168gr LRAB's also. I have shot most of the game I've killed using the 7 Rem mag with 160 NPT's and Barnes 160 XLC's. I was hoping to up the B.C. a bit and the LRAB's shine in that arena, I've tried the 180 Scenars but haven't yet gotten them to shoot as accurately as I'd like.

I do know dry print is very hard on bullets and it's not how bullets behave in animals. It's difficult to find an accurate media to test bullets on. I'm not yet ruling out the LRAB's but it has me wondering.

The testing and reporting is much appreciated.


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Actually, dry newsprint is pretty good at indicating what might happen when a bullet hits really heavy bone. Which is what a lot of us want to know, not what will happen when a bullet hits ribs.


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penetration on elk would be my concern--long(er) range being for me 500yds ish


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