Sierra TMK vs MKX

AlaskaRed

Lil-Rokslider
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Jan 20, 2022
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What's the convential wisdom between terminal performance on these two as hunting bullets?

Just to add some context I am more interest in the 6.5mm bullets. We have a new to us tikka 6.5 creedmor which my wife was able to put a .6 inch 3 shot group with the 140 smk. The bullet weight had pretty decent velocities and seems like a good shooter for that rifle. That leaves us to a hunting bullet choice for Moose sized game and smaller. The new 153gr tmk looks like a nice bullet and would lean towards that over the 130 tmk. The 142 gr smk and mkx seem to be in a better weight sweet spot for velocity and bc out of a 20" barrel.

If anyone has experience with these bullets on game out of a 6.5 would be helpful. Also, any information on game with other known good performers out of a 20" 6.5 creedmoor speed would be appreciated. Experiences and pictures are welcome. Also I may add we are looking at 400-500 yards and in for shots with this rifle.
 
I have no terminal performance experience with the 142 MKX but it shoots really well in my wife’s 6.5x47 Lapua.


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If you want TMK-style performance (big giant holes) in a 6.5 creed then if the 130 TMK shoots in your gun I really don't see a good reason to pick anything else.
 
130tmk is a really good bullet out of a Creedmoor.
my 18” gun pushes it 2725 with a conservative charge of H4350. It would be my recommendation as a general purpose Creedmoor case hunting bullet.
Same gun shot 153tmk at 2477.

Lots of great bullets for the creed.
I’m just a big fan of this combo😎

 
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