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M77 Hawkeye Long Range Target in 6.5CM

This is a discussion on M77 Hawkeye Long Range Target in 6.5CM within the Ruger Bolt Action forums, part of the Rifle & Shotgun Forum category; I just received my new M77 Hawkeye. I am interested in any feedback, advice, pet loads etc. Thanks for your help....


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Old May 2nd, 2019, 08:03 PM   #1
 
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M77 Hawkeye Long Range Target in 6.5CM

I just received my new M77 Hawkeye. I am interested in any feedback, advice, pet loads etc.

Thanks for your help.



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Old May 2nd, 2019, 08:26 PM   #2
 
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I’ll share a favorite load,

140gr ELD Match
Hornady brass
41.3gr H4350
WLR primer
CBTO 2.200”

Shoots sub MOA (under .5) in my RPR, maybe not so good in your rifle. It’s a place to start though.
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Old November 9th, 2019, 11:14 AM   #3
 
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CBTO?

Quote:
Originally Posted by Mark204 View Post
Ill share a favorite load,

140gr ELD Match
Hornady brass
41.3gr H4350
WLR primer
CBTO 2.200

Shoots sub MOA (under .5) in my RPR, maybe not so good in your rifle. Its a place to start though.
Mark204
Please enlighten me - what is CBTO measurement?

WYT-P
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Old November 9th, 2019, 12:04 PM   #4
 
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Skyhunter8, my CTBO is 2.200”.......I think that’s .030 OTL for my rifle. My load has changed though, 40.4gr of H4350, (very mild) it’s runs about 2590 at muzzle but it consistently groups under .25 if I do my part.
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Old November 9th, 2019, 12:34 PM   #5
 
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I do not reloadthat cartridge but look at the water capcity and see what other cartridges with similar capacity use.
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Old November 9th, 2019, 12:58 PM   #6
 
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[QUOTE=Skyhunter308;4422407]
Quote:
Originally Posted by Mark204 View Post

Mark204
Please enlighten me - what is CBTO measurement?

WYT-P
Skyhunter
Cartridge Base To Ogive.

Since bullet tips can be so variable, it’s typically more relevant to use CBTO instead of COAL - Cartridge OverAll Length.
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Old November 9th, 2019, 01:51 PM   #7
 
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Quote:
Originally Posted by bwinters View Post
I do not reloadthat cartridge but look at the water capcity and see what other cartridges with similar capacity use.
bwinters, water capacity of a cartridge has absolutely zero to do with the ogive number. The ogive has to do with bullet design, (secant or tangent ogive). On top of that ogive numbers won’t be found in any bullet makers reloading manual, they publish COAL.

Seating a bullet based water capacity of a similar cartridge......how did you arrive at that idea??
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Old November 9th, 2019, 02:00 PM   #8
 
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Sorry Skywalker308, I miss read your question, Rectlelife is right, it’s a better way way to get a more accurate reading of how close your bullet is to making contact with the lands.

It does take a few extra “tools” to get the ogive number though.
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Old November 10th, 2019, 09:07 AM   #9
 
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My son has the Hawkeye Long Range Target with a stainless 26" barrel.
Pet load for him is 140gr A-Max over 44.4gr of Superformance. COAL of 2.818"
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Old December 3rd, 2019, 08:20 PM   #10
 
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I almost bought one of these rifles. I went another route but think these are very nice rifles.
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