My 300ss (Sherman Short) Ruger M77

odoylerules

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Dec 6, 2016
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527
I finally got my 300ss up and running. I wanted to rebuild my old Ruger M77 (sentimental value). It was the first rifle I ever bought chambered in 7mm mag, and I killed 2 elk with it many many years ago. The Ruger internal box is tiny, like 3.4” which really limits what cartridges I could run. The 300ss was perfect!
My smith squared the entire action and bedded the original boat paddle stock, which I really wanted to keep.
It has a Bartlein barrel, 26” 10tw 3b contour.
Bare rifle weighs sub 7lbs. Launches Berger 215’s at 2870fps. During testing I got close to 3000fps but best accuracy was sub 2900fps.
As you can see it’s a TACK DRIVER!
1 hole groups at 100 yards.
 

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elkaholic

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Dec 4, 2008
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WOW!! Ill say its a tack driver! Nice build and good to see how that Ruger worked out. This is typical of how the 300 shoots with a good load. Can anyone spell COMPETITION
Keep the data coming:D
 

frostop

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Jan 10, 2010
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Very Cool! I like that you have elected to keep the stock!
I started shooting Ruger's when I was just still in High School 30+ yrs ago, the first rifle I bought was an old tang safely 30.06 and when they came out with the MkII I sold and bought another 30.06 in the Mk II, which I still have today!

I would love to upgrade the barrel on it someday!

Gary
 

elkaholic

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Dec 4, 2008
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hauser, id.
Short and fat is where its at! Shocking performance from 65 grains of powder and 215 grain bullet. Before it’s all said and done I will have the 6.5 sst,7sst,and the 300ss switch barrel tikka. Great job rich!
Thank you Bart! They are pretty efficient.
 

MudRunner2005

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Joined
Oct 13, 2008
Messages
14,709
Location
Alabama
Looks good! Next mod would be having your smith drill and tap the receiver so you can run a pic rail and normal rings. EGW makes a base for it, that requires drilling and tapping, but once done, you're good to go.

http://www.egwguns.com/scope-mounts...-must-drill-tap-receiver-20-moa-ambidextrous/

I've had M77 MKII's for over 20 years, and I've had plenty of issues with the proprietary rings. Plus, it really limits your options.
 

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