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  #1  
Old 02-28-2006, 06:17 PM
Ole' Man River
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77/22 LR & 77/22 Magnum Stocks, Receivers and Bolts



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Since this is asked about repeatedly and has been answered in numerous threads, here it is in a nutshell.
1. Any wooden stock inletted for a 77/22 LR, 77/22 Magnum or 77/17 are interchangeable. The pictures shown below are of the same stock with a 77/17HM2 action and a 77/17HMR action in place. The receivers are the same size, the only difference is the trigger guard lengths.






The only difference between a 77/22 LR bolt and a 77/22 Magnum bolt is the groove length that is machined in the bottom.

There is No Difference in the cartridge guide, Nor in the bolt face.

I measured the recess depth and the distance across the recess on both of these bolts and they are identical. If your going to build a switch barrel rifle, you will need either the Magnum or LR trigger guard which you can purchase from Ruger or Brownell's in the finish that is the same as your receiver. It is easier to do if you start with a LR model. If using the Magnum model, you have to file down the ejector on the trigger guard to get the bolt to close.
If you have a instruction manual, it lists the appropiate part numbers, if not here they are.
Magnum Trigger Guard, Blued J30201 SS KJ30201T
Magazine Well Liner, Blued J00600 SS KJ00600T
Front Mount Screw Blued J04700 SS KJ04700T
Rear Mount Screw Blued J04800 SS KJ04800T
Magazine JMX-1
You can use a Ruger barrel or one from Green Mountain, Volquartsen, or any number of suppliers.

Last edited by Ole' Man River; 07-28-2007 at 10:23 PM.
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  #2  
Old 06-05-2006, 03:09 PM
SHAWN WALSH
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Not 100% true for all stocks

I have a factory 77/22lr. walnut stock that I was trying to set up as a switch barrel rifle and the magnum rear floor plate I purchased for the conversion would not drop into the stock and allow clearance for the action. I would of had to do quite a bit of inletting to the stock to get the new metal to fit.

I choose not to do so because I am quite happy with .22lr set up and did not want to chance hurting the way it shots.

This may be just a 1/1,000,000 type thing but it didn't work for my set-up.

Cheers!

Shawn
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  #3  
Old 10-20-2006, 01:25 PM
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I wondered if anyone could tell me how similar the 1022 action is to a 77/22 in terms of dimensions. I have a nice laminate stock for a 1022 and I'm thinking of getting a 77/22, just wondered if it was worth keeping to fit to the new 77. I don't mind doing a bit of woodwork if it's not a million miles away.
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Old 12-22-2006, 04:32 PM
CCREELY

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Anyone Know If Houge Makes A Stock For The 77/17 Hmr?
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  #5  
Old 01-18-2007, 09:49 AM
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stock

I have a Ruger M77/22 fatory Stainless I am looking for a Laminated stock, checked w/ Boyd's any they are out of stock, anyone know another place to look. I want one to finish myself in pepper
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  #6  
Old 02-03-2007, 01:43 PM
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77/22 all weather

I'm interested in getting a wooden stock to replace the plastic paddle. My rifle shoots very well so I intend to keep the stock barrel.

What will I need to buy to convert to wood. I know a trigger guard at least, but does anyone have a list for reference?

Thanks for any info.
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  #7  
Old 02-05-2007, 10:23 PM
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Stainless All-weather project update

I priced out the cost of parts and a decent wood stock to convert the all-weather. I decided to just upgrade the trigger sear, and I plan to put the $250+ I save into getting a new CZ452 American.

With the time I'll save not spent dressing it up with checkering and putting it together, I'll use to go shooting.

I bought the all-weather as a take anywhere gun since I live in a rain forest climate. My daughter uses the all weather when we go to the range, and I shoot my 541S.

It just makes sense to buy a new gun. That's my story and I'm sticking to it.
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Old 04-03-2007, 05:05 PM
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Hi
So....
I have a 77/22 allweather in .22lr,can I convert it to .17HMR merely by installing a .17HMR barrel?
MARK
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  #9  
Old 04-20-2007, 04:13 PM
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I found a good deal on a 77/22 22LR All Weather the other day. If I ran a 22 Mag reamer into the barrel and altered the bottom metal for a 22 Magnum magazine I shoulf be good to go. Correct? And yes I'm aware that the 22LR has a nominal 0.222" bore and the 22 Mag is 0.224". Contender shhoters have found that the tighter .222" bore improves that accuracy of the 22 Magnum.

John in Oregon
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Old 07-15-2007, 09:47 PM
patience0830
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groove length

O.M.R.

i think you have the labels reversed for the grooove length. longer groove for the magnum. don't know why they don't just cut 'em all long. would save me opening them up with a dremel and filing down the ejector tit on the trigger guard when I do a rebuild.
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  #11  
Old 08-04-2007, 08:19 PM
Ole' Man River
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Quote:
Originally Posted by patience0830 View Post
O.M.R.

i think you have the labels reversed for the grooove length. longer groove for the magnum. don't know why they don't just cut 'em all long. would save me opening them up with a dremel and filing down the ejector tit on the trigger guard when I do a rebuild.
The bolt on the left is most definitely from a 77/22 (LR) Long Rifle receiver. I just pulled my rifle apart to verify it. The numbers on the bolt and receiver match. Rifles with the 702- prefix in the serial number are LR rifles. Perhaps you might want to check the numbers on your bolts and receivers.

Last edited by Ole' Man River; 08-04-2007 at 10:53 PM.
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  #12  
Old 08-07-2007, 05:36 PM
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Quote:
Originally Posted by Johnly View Post
I found a good deal on a 77/22 22LR All Weather the other day. If I ran a 22 Mag reamer into the barrel and altered the bottom metal for a 22 Magnum magazine I shoulf be good to go. Correct? And yes I'm aware that the 22LR has a nominal 0.222" bore and the 22 Mag is 0.224". Contender shhoters have found that the tighter .222" bore improves that accuracy of the 22 Magnum.

John in Oregon
Chief Says : I think you will find this a bit difficult as the all weather stocks,
1. Have no bottom metal to swapout . 2 The mag release is pinned directly into the stocks magwell.
If you look closely at the Ruger ( zytel ) all weather stock you will see that the trigger guard is molded with the stock.
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  #13  
Old 01-29-2008, 12:14 PM
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I have a .22MAG Stainless/wood that I am trying to convert to .22LR

What do I need to do/buy for this conversion?

Thanks!

-dan
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  #14  
Old 03-31-2008, 12:36 AM
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I've done this swap myself, taking a stock .22LR to .17HMR - Ole Man River's info is right on!! This swap is very easy and this post gave me the push to make my desire a reality.

Some notes: in the pictures above showing the groove length on the breech blocks, they are mislabeled. It is actually the Magnum bolt on the left and the Long Rifle bolt on the right. It isn't a big deal really, but can be some extra work depending on the direction you are converting. A magnum to LR conversion would require less work (no bolt grinding) than would a LR to magnum, as evidenced by the shorter grooves that need modifying to work with magnum hardware.

Also, the rifle I modified is a 1984 77/22 LR, and the stock was inletted for the LR-length trigger guard, but hung up on the magnum-length trigger guard. This only took 10 minutes with some chisels to remedy, but is another point to consider. I am not sure if LR stocks are inletted differently than Magnum stocks today, but this could be something to expect on older rifles like mine.

That's all I have to say. Conversion = easy.
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  #15  
Old 05-01-2008, 11:35 AM
Corsica Coatings
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Can you swap a 10/22 barrel to a 77/22 without a lot of hassle??
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