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270 win for long range hunting?

 
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  #8  
Old 07-12-2011, 08:33 PM
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Re: 270 win for long range hunting?

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Originally Posted by Trickymissfit View Post
been playing with 150 grain bullets in my 270mag off and on for awhile now, and never knew anyone made a 165 grain .277" bullet! (had my blinders on I guess). Whatkind of velocities are you seeing at the muzzel and 250 yards? Also what's the B/C of the 165 grain bullet? The 270 mag seems to drive the 140's and smaller too fast for the bullet construction in my book.
gary
Matrix Ballistics has a 165gr VLD with around a .650ish BC and a 175gr VLD that sounds like it's around .700 BC. I've been running the 165's out of a 1-10 twist 270 WSM and my buddy has a 270 win, both guns really like them. I can easily shoot them 3050's with my WSM and around 2750 with the Win though we topped out about 100fps faster with each. I've shot quite a few sub 1/2 MOA groups quite aways out there with the WSM but the barrel is out for Nitriding so I haven't gotten to serious with it. Just starting with the Win but in a couple tests the Matrix was just unreal in the accuracy, much better than the 140 Bergers or Accubonds and the Matrix seems real easy going to load unlike the Bergers.
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  #9  
Old 07-13-2011, 11:12 AM
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Re: 270 win for long range hunting?

Quote:
Originally Posted by bigngreen View Post
Matrix Ballistics has a 165gr VLD with around a .650ish BC and a 175gr VLD that sounds like it's around .700 BC. I've been running the 165's out of a 1-10 twist 270 WSM and my buddy has a 270 win, both guns really like them. I can easily shoot them 3050's with my WSM and around 2750 with the Win though we topped out about 100fps faster with each. I've shot quite a few sub 1/2 MOA groups quite aways out there with the WSM but the barrel is out for Nitriding so I haven't gotten to serious with it. Just starting with the Win but in a couple tests the Matrix was just unreal in the accuracy, much better than the 140 Bergers or Accubonds and the Matrix seems real easy going to load unlike the Bergers.
I checked the barrel on mt MK. V and it's a 1:10 twist barrel. Kinda figure the bullet is pretty long, and with the Weatherby there's plenty of room for it <g>! I've always felt the overbore case capacity of the .270mag needed a real heavy bullet to gain any serious use out of it.

Your thoughts on the Berger bullets tend to parallel mine as well. When you got a load that works it's amazing. The hardest ones I ever worked with were their 69 grain LD's. I finally gave them away, and the guy I gave them to uses them for a paper weight. The 88's were not a lot better, but at least they worked.

Suggest you back off on your normal loads on the barrel you sent out for nitride. In the past I've had metal shrink a few tenths, and on the opposite I've had some alloys actually grown as much as nine tenths. A half thousandth smaller bore would be very interesting with a near max load! I started to notice this with the new gas furnaces a few years back, but never saw it with the older ones. Wierd! Did you do the complete barrel, or just the I.D.? A complete barrel should increase the rigidity a little bit
gary
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  #10  
Old 07-14-2011, 12:45 AM
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Join Date: Sep 2006
Posts: 154
Re: 270 win for long range hunting?

I have shot deer out to 750 with my 270wsm with the 140 accubonds at 3250 fps, and believe it or not elk at 800 yrds, at that distance I should have about 1000 lbs of energy, my buddy shot a deer at 720 yrds with his trusty old 270 win 140 accubond 2950 fps both deer droped were they stood and the elk went about 30 yrds tiped over never got back up. I have since built a wildcat and shoot the 169.5 wildcats at 3050 fps I have also shot the matrix 165's and they shot good,I think a 270 wsm would shoot the matrix 165's between 2900fps and 3000fps, this is based on shooting my 7wsm with 180 bergers at 3000fps,you just need a 1in9 twist barrel for these bigger bullets.


opnions are like butts everybodys got one
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  #11  
Old 07-15-2011, 09:58 AM
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Join Date: Oct 2009
Location: Texas panhandle
Posts: 259
Re: 270 win for long range hunting?

the 270 short mags seem like alot of fun but, i dont beleive they will ever sell as many as they have the 270 winchester. it is the number one sold cartridge in America. lets keep this thread going, i am interested in how many like to use the 270 winchester for long range.
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