Sierra Heavy TMK 6MM Testing

[Formidilosus]

This made my pants move just a little bit. That big of a wound channel with legit pass through ability is exactly what I've been after. If the 88s perform the same, I will be impressed and building out a 22cm instantly.

What sort of neck length are we talking about here on average before the wild disruption starts?

Less than an inch.

 

[solarshooter]

Less than an inch.

But it's still penetrating adequately. That's pretty wild. Have you put one through a humerus/scapula point yet?

 

[43.6N]

Any chance somebody could run one of these heavy TMK through ballistic gel and post the pictures?

Maybe even put one side by side with a pre 2026 TMK or ELDX?

 

[Formidilosus]

But it's still penetrating adequately. That's pretty wild. Have you put one through a humerus/scapula point yet?

Haha. Yes. However, if one went through the femur, the guts, the lungs, and through the heart- do you think a scapula will stop it?

 

[Formidilosus]

116gr TMK, 2,105fps impact.




116gr TMK, 2,424fps impact.

 

[solarshooter]

116gr TMK, 2,105fps impact.
View attachment 1015616



116gr TMK, 2,424fps impact.
View attachment 1015618

That answers that!

Hate to say it, this bullet seems a little TOO destructive. How's that for whining?

 

[Formidilosus]

That answers that!

Hate to say it, this bullet seems a little TOO destructive. How's that for whining?

I wouldn’t necessarily choose them to shoot food with. My prediction, is that they will be the best elk killing bullet made thus far.

 

[Jake Larsen]

That answers that!

Hate to say it, this bullet seems a little TOO destructive. How's that for whining?

No kidding lol. This is ridiculous. Awesome for culling though


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[Jake Larsen]

I wouldn’t necessarily choose them to shoot food with. My prediction, is that they will be the best elk killing bullet made this far.

What 6mm would you choose to shoot food with?


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[Formidilosus]

What 6mm would you choose to shoot food with?


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I generally wouldn’t use a 6mm. But if I did, the 95gr NBT, 105gr Hornady HPBT both are good. Good wounds, but not horrific.


I choose 223 for food, and most other things- 62gr Federal Fusion/Speer Gold Dot works well there.

 

[Schmo]

I generally wouldn’t use a 6mm. But if I did, the 95gr NBT, 105gr Hornady HPBT both are good. Good wounds, but not horrific.


I choose 223 for good, and most other things- 62gr Federal Fusion/Speer Gold Dot works well there.

On deer, would the DTAC NR be a good option for not too much destruction, or does it go too far the other way in being a little too tough?

 

[N2TRKYS]

@Formidilosus do you think the 153 grain TMK in 6.5mm will be the same way out of the PRC? When do you think that testing will take place or has it already?

 

[Formidilosus]

On deer, would the DTAC NR be a good option for not too much destruction, or does it go too far the other way in being a little too tough?

Sometimes it’s good. But, when it yaws, it makes a mess of the offside too.

 

[Formidilosus]

@Formidilosus do you think the 153 grain TMK in 6.5mm will be the same way out of the PRC?

Yes. Every TMK thus far has produced the overall largest wounds of any bullet from that caliber.

When do you think that testing will take place or has it already?

Not enough to say. Full work with it may be in March.

 

[Jake Larsen]

I generally wouldn’t use a 6mm. But if I did, the 95gr NBT, 105gr Hornady HPBT both are good. Good wounds, but not horrific.


I choose 223 for good, and most other things- 62gr Federal Fusion/Speer Gold Dot works well there.

Thanks.

103 ELD-X are closer to the TMK in terms of wound channel?


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[N2TRKYS]

Yes. Every TMK thus far has produced the overall largest wounds of any bullet from that caliber.




Not everything to say. Full work with it may be in March.

Thanks for the info. I guess right now, the 147 grain eldm is the bees knees in 6.5 PRC?

 

[Formidilosus]

Thanks.

103 ELD-X are closer to the TMK in terms of wound channel?


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No. The ELD-X tends to produce most of its damage at entrance, then a 1.5” or so wound from there on.

 

[cq0302]

What 6mm would you choose to shoot food with?


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A sub 75gr .22 cal copper mono, 63gr cooper rod, 69 hammer hunter, Barnes lrx etc


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[Formidilosus]

Thanks for the info. I guess right now, the 147 grain eldm is the bees knees in 6.5 PRC?

Not for me. The 147gr ELD-M (all ELD-M’s at times) have a tendency every once in a while to produce narrow wounds from the bullet not upsetting fully. For 6.5mm, of what’s on the aren’t I use 130gr TMK- it also makes a mess.

 

[solarshooter]

The Berger 108 EH did great on an elk, but again almost TOO MUCH wounding and meat loss near entry. A Berger 105 Hybrid with a slightly thicker jacket might be a good option, but I've never shot or seen any animals shot with it.