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270 wsm 165gr Matrix data

 
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  #1  
Old 10-16-2011, 12:00 PM
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270 wsm 165gr Matrix data

Tikka T3 factory sporter barrel 24" 1-10 twist. Will the 165's stabilize. Any starting load data would be appreciated. I have a ton of RL19 laying around, would the reloader work well with this bullet? Thanks
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  #2  
Old 10-16-2011, 02:37 PM
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Re: 270 wsm 165gr Matrix data

I just finished working up a load for my T3 and this bullet with H1000. 66.5 grains, Norma brass, CCI 250 primers, 20 thousandths off the lands = 2835 fps, SD = 9, and .25 moa accuracy at 200.

All I can say is that I am pleased. I'll probably try some RL17 to see if I can edge some more velocity since my guns seems to love it.

Now I'm going to start testing it out at longer distances to get an actual BC since I am sure the published one is optimistic.
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Old 10-17-2011, 10:50 AM
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Re: 270 wsm 165gr Matrix data

Quote:
Originally Posted by j-man View Post
All I can say is that I am pleased. I'll probably try some RL17 to see if I can edge some more velocity since my guns seems to love it.
You can try the RL17, but it is my experience that the RL17 is a better powder for the medium weight for caliber bullets. It will allow you to use more of the case capacity. The heavy weight caliber bullets I find it better to use the slower powder for better ES. It may work for you as I don't own a 270WSM, but it is what I found with my 300WSM using 210grn bullets. JMHO

Tank
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Old 10-17-2011, 11:05 AM
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Re: 270 wsm 165gr Matrix data

I have experienced the same thing with is why I started with H1000.

Mostly I like to try new things to give me even more of an excuse to go shooting.
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Old 10-17-2011, 11:14 AM
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Re: 270 wsm 165gr Matrix data

My experience has been 130gr and up go with the slow burn, 110's with R17 is another story, they smoke out there but the temp instability just don't cut it!

The 1-10 should stabilize the 165's, I think most guys are shooting 1-10 twist. I start at 64gr of Retumbo and work up, generally around 66gr seems to be a sweet spot.
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Old 10-17-2011, 11:28 AM
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Re: 270 wsm 165gr Matrix data

Bng

What kind of velocities are you seeing with Retumbo? I've only tried H1000 and am getting 2835 with an es of 9
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  #7  
Old 10-17-2011, 11:44 AM
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Re: 270 wsm 165gr Matrix data

Here is a good conversation on this very subject. Found this a while ago when looking for load data on the 270WSM. This will be a consideration for my next long range build when I go to a magnum caliber.

270 WSM 165gr VLD load help

Tank
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Matthew 7:13-14
"Enter through the narrow gate. For wide is the gate and broad is the road that leads to destruction, and many enter through it. [14] But small is the gate and narrow the road that leads to life, and only a few find it.

If you find your self in a fair fight, your tactics suck!- Marine 1st Sergeant Jim Ryfinger

Friends don't let friends develop canonitis!-chucknbach

arguing over the internet is like the special Olympics....even if you win, you are still...special!
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