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Model 70 Stock Replacement Question for the Experts

Floorplate but both might help.
I measured my SA, bolts are approx 7.100" on center.

The one piece floor plates take small amount of inletting.

I had this one laser engraved.
 

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I have a Winchester Model 70A 7mm WSM that I want to put a new stock on. I purchased a Hogue stock to go with it.
Let's back up here. What bottom metal is the Hogue stock inletted for? 1-piece or 2-piece? It'll be one or the other, not both.
 
2-piece.

This one: https://www.hogueinc.com/winchester-m-70-short-action-wsm-pillarbed-stock


They sell stocks for 1-piece but I was uncertain of the fit for my WSM.
Then you either need a complete 2-piece metal set and all 3 screws or, you need a complete 1-piece assembly and this adapter:


The internal mag box, follower, and magazine spring you have are re-useable and the 3 action screws are re-useable. Nothing else from your 70A will transfer over to the Hogue stock. You need a complete short action 1 or 2 piece assembly, and the adapter above if you go 1-piece.

The 1-piece adapter and bottom metal assembly will be 1/4-1/3" "proud" beneath the bottom of the Hogue stock as that assembly is "deeper" and the Hogue rubber-coated Tupperware and AL pillar make it a pain in the rump to modify the inletting.

If you want everything to fit nicely without a bunch of rig-a-ma-row, then you need a complete 2-piece short action assembly.
 
Then you either need a complete 2-piece metal set and all 3 screws or, you need a complete 1-piece assembly and this adapter:


The internal mag box, follower, and magazine spring you have are re-useable and the 3 action screws are re-useable. Nothing else from your 70A will transfer over to the Hogue stock. You need a complete short action 1 or 2 piece assembly, and the adapter above if you go 1-piece.

The 1-piece adapter and bottom metal assembly will be 1/4-1/3" "proud" beneath the bottom of the Hogue stock as that assembly is "deeper" and the Hogue rubber-coated Tupperware and AL pillar make it a pain in the rump to modify the inletting.

If you want everything to fit nicely without a bunch of rig-a-ma-row, then you need a complete 2-piece short action assembly.
You guys can't imagine how much I appreciate your insights. I guess I have decisions to make.

I guess I may have overthought that adapter. I was concerned that it was to convert a 1 piece to 2 piece.

When you say "proud", you mean it will stand rise above the plane of the stock on the bottom, correct?

Do you know or have an opinion on whether the action screws for my rifle would like up with one of the 1-piece stocks they have? I could probably swap the one I have.
 
I guess I may have overthought that adapter. I was concerned that it was to convert a 1 piece to 2 piece.
There are adapters to go both ways. 1 to 2 or 2 to 1.

When you say "proud", you mean it will stand rise above the plane of the stock on the bottom, correct?
Correct

Do you know or have an opinion on whether the action screws for my rifle would like up with one of the 1-piece stocks they have? I could probably swap the one I have.
In reasonably recent (say mid-80's and newer for sure) M70 land you have 3 action lengths inletted into the top of the stock.

Long. This won't work for your WSM. Long action is anything on the '06 family, all of the belted mags, and the RUM's. The action-screw spacing is the same for all of them.

Short. This is what you need for your WSM. Anything marked M70 SA will have the correct hole spacing from 222 through 325WSM

WSSM. This only works w/WSSM actions. 22WSSM-25WSSM

You have 2 options for each length inletted into the bottom of the stock. 1-piece or 2-piece. There are adapters to go either way. 1 piece metal in a 2-piece inlet with an adapter will sit proud below the bottom of the stock. 2-piece metal with an adapter in a 1-piece inlet will sit flush.

Looking @ your pic from pg 2 here, and the diagram for the 70A on Numrich, it appears that your trigger-guard comes out, but your "floor-plate" is molded in as a solid part of the stock. If that's correct, you'll need a whole new assembly, 2-piece would be the easiest and best with the Hogue stock you have.
 
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