Partition vs Accubond

[Guest]

Which bullet expands faster under a typical hunting situation shooting deer sized game, rib cage shot etc. Assume same bullet weight, identical velocities too.
I know there are variables and I don't want to complicate the situation. Just curious.

Don

 

[DrMike]

The fastest expansion will inevitably be the bullet with the thinest jacket. The greater the velocity, the more violent the expansion. Given this information, we are talking about Nosler Ballistic Tip, Hornady InterLock, Remington Core Loct, Winchester Power Point, etc.

 

[Greg Nolan]

If you're asking specifically about the AccuBond versus the Partition the answer I have from using both for many years would be the Partition. The bullets are designed to perform in two completely different ways to acheive similar results. The Partition is designed to open easily and depend on the confined rear chamber to penetrate. Often in high velocity the entire front section of the lead is smeared away in a violent delivery of energy. It was designed when 2500 to 3000 was the high velocity limit. The AccuBond bullet was designed when 3300 fps+ was high velocity. It opens slower than the Partition and sheds and expands and delivers shock in a more linear fashion.
Similarities are : Neither bullet will blow completely up on contact at current rifle velocities on game and they will reliably deliver their energy while retaining about 60% of their origional weight. They both have excellent penetration without the fear of the bullet not expanding and becomming as a solid.
The two different approaches leave the choice a wonderful point of arguement around the campfire. The good thing is, there's no wrong answer.
This is my opinion from my experiences using both and worth about as much as you paid for it.
Greg

 

[JD338]

Don,

I assume you are referring to the 358 225 gr AB vs 225 gr PT. The PT opens up faster than the AB.
I have shot many WT deer with the 225 gr PT in the 35 Whelen and I always had plenty of expansion, even through the slats.

JD338

 

[SJB358]

If you're asking specifically about the AccuBond versus the Partition the answer I have from using both for many years would be the Partition. The bullets are designed to perform in two completely different ways to acheive similar results. The Partition is designed to open easily and depend on the confined rear chamber to penetrate. Often in high velocity the entire front section of the lead is smeared away in a violent delivery of energy. It was designed when 2500 to 3000 was the high velocity limit. The AccuBond bullet was designed when 3300 fps+ was high velocity. It opens slower than the Partition and sheds and expands and delivers shock in a more linear fashion.
Similarities are : Neither bullet will blow completely up on contact at current rifle velocities on game and they will reliably deliver their energy while retaining about 60% of their origional weight. They both have excellent penetration without the fear of the bullet not expanding and becomming as a solid.
The two different approaches leave the choice a wonderful point of arguement around the campfire. The good thing is, there's no wrong answer.
This is my opinion from my experiences using both and worth about as much as you paid for it.
Greg

I am in 100% agreement with Greg here. I would have tried to write that, but it wouldn't have came out nearly as intelligent. They are both freight trains.

 

[DrMike]

As I began my answer, I was answering a series of phone calls and failed to read the title of this thread. Greg nailed the issue with his answer. I was looking at the broad spectrum of bullets and not focused.

 

[Guest]

I love this site, the wealth of knowledge is amazing. All the answers are great.

Greg,
That's what I was looking for, appreciate you sharing your experience.

JD,
You read my mind. Yes my thought process was concerning the 35 Whelen. Either bullet is excellent and yes there is no wrong answer from everyone's comments. Nosler offers such great products for us all.
The 225 PT from SPS should be here today. Hoping to get on the range in the next 2-weeks to see how they perform grouping on paper.

Dr. Mike,
Thanks, your insights are always incredible too.

Scotty,
I thought you may have tried the AB & PT in your Whelen already. :mrgreen:

Don

 

[Elkman]

Greg says it well.

I have been using the Partition for almost 50 years now, for one reason only, they work!

 

[bullet]

In wet media (newsprint) the AccuBond opened up quicker than the Patition did but not by much and the wound channel of both the AccuBond and Partition was very awesome after a little ways in the media. The Partition did out penetrate the AccuBond but not by much. Test like the above are not scientific by any means, just give you an idea what might take place. I can vouch that the above test proved pretty much the case on initial bullet expansion on two different deer I shot using the Partition on the first one and the AccuBond on the second. but then again, velocities were not the same because the Partition was moving faster than the AccuBond and the Partition was out of a 338Win mag and the AccuBond was out of my 358win. The Partition is believed by many to open faster but don't sell out the AccuBond because it is truly a great all around performer. The Partition and AccuBond are two of the three most awesome hunting bullets I have used through the years.

 

[nvbroncrider]

What's the 3rd?

 

[bullet]

What's the 3rd?

Sierra 7mm 160gr G/K HPBT and .308 165gr G/K HPBT - SIERRA'S toughest hunting bullet. These hollow points were designed with hard cores and heavy jackets that are double drawn to not only eliminate tip deformation, but also to withstand the higher impact velocities often incurred at the closer ranges. As with books, bullets cannot be judged from its title or cover. The 160gr in my 7mm Rem mag and STW, and the 165gr in my 30-06, 300 Win mag and 300Wby have been for me absolute killers on hog, deer and black bear (bear hit him 90yds away and he leaped straight up and fell to the ground and went nowhere) nothing but exits, devastating dynamic shock. I have recorded 38 deer killed in a row from 60yds to 230yrds falling where they were shot using the 165gr in a 30-06 and all exits.

 

[sask boy]

Great insight guys, I do not know why people would want to change & as my Pop used to say don't fix it if it ain't broken :wink:

Blessings,
Dan

 

[Guest]

Bullet,
That's good information thanks for sharing your experience. I could never sell out the AccuBond. The Partition has been the Pillar for Nosler over the years. When the AccuBond was born I believe it just compliments the Partition giving us all another great selection to chose from. Both bullets are and have been solid performers. I'll have more to tell when I test the 225 PT in the 35 Whelen in a few weeks for groups.

Don