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post 64 model 70 target scope block question
December 2, 2019
5:24 pm
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WACA Member
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January 29, 2017
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I recently acquired a post 64 model 70 target ser# 899121. The rifle is in decent shape, however at some point the scope block on the

receiver bridge was replaced.

I would like to find the correct block but I am not sure what to look for. The one that was on the rifle had three mounting holes and was

stamped 22 M on the top surface. It has the Fecker type half moon notch on one side, an elongated slot on the other and a flat top.

If someone could provide a picture and any other information i.e. markings on the correct block, it would be appreciated.

Regards, Tom

December 2, 2019
11:59 pm
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Charleston, SC
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November 5, 2014
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Hi Tom-

I make no pretense to knowing anything about post-63 M70 Winchesters.  But as far as I know, if we're talking about a pre-GCA68 post-1964 target rifle, the photos below are probably correct.  If I'm wrong, I'm sure seewin can correct me.  Laugh

M70-Lyman-late-type-blocks-1.jpegImage EnlargerM70-Lyman-late-type-blocks-2.jpegImage Enlarger

Both blocks are "Lyman type" with the coved top to facilitate use of metallic sights.  The barrel block is 0.360" tall.  The rear block (that goes on the FRONT receiver ring) is 0.185" tall.  Both have the "Unertl/Fecker crescent" on the right side.  NEITHER has the "Winchester dimples" on the left side that was prevalent until the mid-1950s to accommodate pre-war "pin type" scope mounts like the obsolete Winchester A5.  NEITHER has any letter code stamped underneath.

I've got probably a dozen sets of the ones in my picture, but NO SCREWS (which is the harder part unless you have a machinist friend).  If these look correct to you, I can give you a set...  Let's see if Steve agrees this is what you need... LaughConfused

Best

Lou

WACA 9519; Studying Pre-64 Model 70 Winchesters

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December 3, 2019
1:37 am
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Lou, you are correct. One note about the rear base though. It requires a 6-48 x 1/4" overall length slotted/countersunk head mounting screw. The front bases uses the conventional slotted head 6-48 scope base screw. I have shown both in attached picture.

Steve

 

DSC2019-1.JPGImage Enlarger

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December 3, 2019
12:48 pm
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Forum Posts: 12
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January 29, 2017
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From the images it appears the scope block on the barrel is still original. I just need the scope block for the receiver.

Now that I know what I am looking for, I will have to search thru my collection of scope blocks. I my have the correct one.

Lou & Steve thank you both for the information .

Lou, I may take you up on your offer but I have search thru my assortment of blocks and screws first.

Regards,

Tom

December 3, 2019
10:56 pm
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Charleston, SC
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Hi Steve-

At least YOU don't have to worry too much about missing/buggered screws, since you can make them yourself!!! LaughLaughLaugh Are those originals or did you make them in the shop?  Those pesky countersunk screws for the receiver block are particularly problematic.  Seems to me that b/c of the relatively shallow slot those screws are always buggered up, even when the buggering is only in the "tightening" direction (where I can imagine somebody was just making sure the screws were tight, not trying to take them off)...

I'm going to have to convince my Brother to make me some, since he too has the equipment and know-how.  But if you ever decide to market screws for Winchester target blocks, put me down for a dozen sets!!!  Wink

Lou

WACA 9519; Studying Pre-64 Model 70 Winchesters

WACA-Signauture-3.jpg

December 4, 2019
12:16 am
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March 31, 2009
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While talking screws.  Does anyone know who is making Winchester screws now that Jim Grueter isn't anymore?

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