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Mar 25th, 2012
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My latest build - 338 Sherman / Ruger M77 #7579583 08/14/19 03:41 AM
Joined: May 2010
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RedSnake Offline OP
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Well I drew a Wyoming Bull Elk tag for Oct rifle season. Thought it’d be cool to shoot my first elk with the rifle I shot my first WT with. So I decided to breathe some new life into my 1980s tang safety Ruger M77 originally chambered in .270 Win. and had it rebarrelled to a 338 Sherman.

[Linked Image]

Build Specifics
* Action: Ruger M77 tang safety
* Caliber: 338 Sherman (LA)
* Original wood stock (refinished)
* Pillar and full length bedded
* Benchmark light palma 1:9.4 finished at 24”
* APA Little Bastard brake
* Factory trigger reworked
* Cerakote midnight blue
* Leupold 34mm rings
* NF ATACR 4-16

For those not familiar with this round, Rich Sherman based his design for the 338 Sherman using the .270 Win as the parent case and pushed the shoulder forward and blown out to 40 degrees. This yields a H20 case capacity between 76-79 gr depending on brand of brass. Compare this to 68 gr for the 338-06, 70-72 gr for 338-06AI, and 86 gr for 338 WM.

270 brass necked up to 338 (left) and fully formed 338 Sherman (right)
[Linked Image]

Fire forming loads with Hornady 250 gr HPBT over a middle of the road 338-06 charge of Varget shot remarkably well.
I’m still working up loads using the Rocky Mountain 250 gr ULD and Varget. Initial testing maxed out at mv of 2760 before I got signs of excessive pressure. Folks have been pushing the 338 Berger 250 gr over 2800fps with RL-17.

[Linked Image]

One of the drawbacks of the ruger action is the limitations it puts on OAL due to the short (3.40”) mag well. To allow a longer OAL to feed, I lengthened my action posteriorly with a Wyatt’s cut (which included milling away the center floor plate screw). I fabricated an extended mag box from two factory boxes spliced/welded together. The bolt stop was moved posteriorly about 0.25” by tapping/drilling a new retaining screw hole and the window for the stop was enlarged. I am now able to feed rounds up to 3.600.

[Linked Image]

[Linked Image]

Refinishing the stock took me months. ... stripped the crappy 30 year old chipped poly coat, sanded, stained old school way with Alkanet oil and then hand-rubbed a million and a half coats of finishing oil comprised of Boiled Linseed Oil, Carnuba Wax, Turpentine, and Venetian Turpentine. One final top coat of diluted TruOil for durability. Leather wrapped recoil pad and Dakota arms grip cap inlaid with English cow horn to spice it up a bit.

[Linked Image]


Last edited by RedSnake; 08/14/19 03:49 AM.
Re: My latest build - 338 Sherman / Ruger M77 [Re: RedSnake] #7579593 08/14/19 04:10 AM
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Bert nice refresh on a classic rifle with tons of memories

Re: My latest build - 338 Sherman / Ruger M77 [Re: RedSnake] #7579599 08/14/19 04:29 AM
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That is really cool. Thanks for the detailed write up. Good luck in Wyoming!

Re: My latest build - 338 Sherman / Ruger M77 [Re: RedSnake] #7579637 08/14/19 11:11 AM
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Very nice work and I, too, appreciate the detailed write-up. Hope you get yourself a world-class elk in October.

Re: My latest build - 338 Sherman / Ruger M77 [Re: RedSnake] #7579640 08/14/19 11:22 AM
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Very cool, well done. cheers


Marc C. Helfrich
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Re: My latest build - 338 Sherman / Ruger M77 [Re: RedSnake] #7579646 08/14/19 11:30 AM
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That' Badazz. Very good looking gun. great write up and pics. Well done. up


Re: My latest build - 338 Sherman / Ruger M77 [Re: RedSnake] #7579651 08/14/19 11:39 AM
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You sure did put in the work!

Congrats!


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Re: My latest build - 338 Sherman / Ruger M77 [Re: RedSnake] #7579714 08/14/19 01:11 PM
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Great looking gun.

Re: My latest build - 338 Sherman / Ruger M77 [Re: RedSnake] #7579716 08/14/19 01:11 PM
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Very nice!


The secret to a long life is to try not to shorten it

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Re: My latest build - 338 Sherman / Ruger M77 [Re: RedSnake] #7579717 08/14/19 01:12 PM
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Very nice!!! Very cool round, also!



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Re: My latest build - 338 Sherman / Ruger M77 [Re: RedSnake] #7579718 08/14/19 01:13 PM
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Cool story bro. I love home tinkering. Nice work, especially the part where u made the action longer.

Re: My latest build - 338 Sherman / Ruger M77 [Re: RedSnake] #7579724 08/14/19 01:24 PM
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That is a gorgeous rifle! Good luck on the hunt.


Originally Posted By: syncerus
I prefer to think of myself as a control enthusiast. wink
Re: My latest build - 338 Sherman / Ruger M77 [Re: RedSnake] #7579728 08/14/19 01:28 PM
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Turned out really nice! I have the same .270 Ruger with a pretty decent piece of wood on it that still gets a deer here and there just for old time sake.

Good Luck on Elk.


"Anyone taking up handloading necessarily plays with unknown factors and takes chances. But so does anyone who drives a car,goes to a cocktail party,eats in a restaurant,or gets married."

Jack O'Connor 1963
Re: My latest build - 338 Sherman / Ruger M77 [Re: RedSnake] #7579739 08/14/19 01:38 PM
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cheers

Re: My latest build - 338 Sherman / Ruger M77 [Re: Big Fitz] #7579968 08/14/19 06:07 PM
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Originally Posted by Big Fitz
That is a gorgeous rifle! Good luck on the hunt.


"A hungry dog hunts best. Lee Trevino

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Re: My latest build - 338 Sherman / Ruger M77 [Re: Pitchfork Predator] #7579969 08/14/19 06:08 PM
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Originally Posted by Pitchfork Predator
Very cool, well done. cheers


[Linked Image]
Re: My latest build - 338 Sherman / Ruger M77 [Re: RedSnake] #7579986 08/14/19 06:28 PM
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Really cool write up! Thanks for sharing!


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Re: My latest build - 338 Sherman / Ruger M77 [Re: RedSnake] #7579997 08/14/19 06:43 PM
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Really like the look of it.

Choice of chambering is interesting as well. I keep telling my wife she is going to hate the day I retire if I live that long lol. Looks fun as hell but no way I would ever have the time to commit to it now.


It's hell eatin em live
Re: My latest build - 338 Sherman / Ruger M77 [Re: Korean Redneck] #7580107 08/14/19 08:54 PM
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Originally Posted by Korean Redneck
... I love home tinkering...


My gunsmith HATES it when I tinker. LMAO. Especially when it involves 2 part epoxy (still so sorry about to that, bud) He’s got me on a no-buy watchlist at every store in north Texas

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