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No.4 Mk1* action bushing/loose forestock

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slowindown View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote slowindown Quote  Post ReplyReply Direct Link To This Post Posted: January 21 2024 at 6:41am
Fore end



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Post Options Post Options   Thanks (0) Thanks(0)   Quote shiloh Quote  Post ReplyReply Direct Link To This Post Posted: January 21 2024 at 7:05am
Looks like Birch
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Post Options Post Options   Thanks (0) Thanks(0)   Quote britrifles Quote  Post ReplyReply Direct Link To This Post Posted: January 21 2024 at 8:20am
Yes, stained birch is my guess…
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Post Options Post Options   Thanks (0) Thanks(0)   Quote slowindown Quote  Post ReplyReply Direct Link To This Post Posted: January 21 2024 at 8:46am
Thanks. That is what I was thinking but I wasn’t sure. 

Back to the loose barrel/action situation. Removing .01+ seems to have worked nicely to tighten the action. 

Now to address the minimal pressure on the barrel, do the places I’ve colored red in the picture below show where the shims should go? 

Also, how do you attach the shim to the wood?

I assume there are no issues shooting it as it is now?

Thanks for the help. 


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Post Options Post Options   Thanks (0) Thanks(0)   Quote Shamu Quote  Post ReplyReply Direct Link To This Post Posted: January 21 2024 at 12:31pm
Minor point. if you use Linseed to swell shrunken, dried wood you are better off with RAW linseed oil because it penetrates much deeper over time swelling better. BLO dries pretty much overnight & won't do that as much.

I see no problem shooting it, the recessed area that takes recoil shot is the 2 cutouts & you haven't touched those.
A little shorter, as shown here, in the drawing, but basically yes. Ignore the screws & plates that's a sneaky Aussie trickBig smile for Lithy SMLE's.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote britrifles Quote  Post ReplyReply Direct Link To This Post Posted: January 21 2024 at 1:44pm
Yes, those red areas is where you want to add the shims. They should stay in place without glue to test fire. If all works well, you can epoxy in place.  I have a set of shims made up for fine tuning, 0.005, .010, .015, .020, .025. Aluminum or brass works fine. 


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Post Options Post Options   Thanks (0) Thanks(0)   Quote slowindown Quote  Post ReplyReply Direct Link To This Post Posted: January 21 2024 at 2:01pm
Thank you so much, gentlemen.  You have been a great help to me in understanding the workings of this rifle.  I will put the knowledge you've shared to good use.  Unfortunately, unless I get lucky with work things I've scheduled, I won't get to it until next weekend.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote slowindown Quote  Post ReplyReply Direct Link To This Post Posted: January 25 2024 at 6:53am
Originally posted by slowindown slowindown wrote:

Thank you so much, gentlemen.  You have been a great help to me in understanding the workings of this rifle.  I will put the knowledge you've shared to good use.  Unfortunately, unless I get lucky with work things I've scheduled, I won't get to it until next weekend.


I've gotten through most of my extra work I had scheduled so I'm hoping to start with this tonight.  It occurred to me that a feeler gauge would be a good source of shims and they have them at harbor freight for $5 so I may pick up one or two later.  https://www.harborfreight.com/feeler-gauge-32-piece-63665.html

I'll probably put a scope on it and check how it groups without shimming and then with, hopefully Saturday.
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Shamu Quote  Post ReplyReply Direct Link To This Post Posted: January 25 2024 at 1:21pm
Good idea.
Don't shoot till you see the whites of their thighs. (Unofficial motto of the Royal Air Force)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote slowindown Quote  Post ReplyReply Direct Link To This Post Posted: January 27 2024 at 5:43am
Couple of pictures below…

So, I cut and shaped these two shims out of two .010 (.25mm) feeler gauge blades.  The do seem to have put more pressure on the front fore end bearing (if that’s the right term). Flipping the rifle upside down in a rest and hooking a fish scale to it and looking/feeling the best I can, I think that it’s pulling free from that bearing between 4 and 4.5 lbs. It’s pretty hard to tell and could be anywhere between 2.5 and 5. Or, who knows, I could be way off base. 

I put a cheap scope on it to test fire but I probably need to wait for my wife to wake up as my 100 yard range is off my back porch Shocked I need to run to town for epoxy anyway as mine is pretty much dried out. 

Do these look to be correct and what we were talking about?







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Post Options Post Options   Thanks (0) Thanks(0)   Quote Zed Quote  Post ReplyReply Direct Link To This Post Posted: January 27 2024 at 8:23am
If you slide a strip of paper between the barrel and the wood at the muzzle end. Pull the spring balance and note what weight the paper is released.
It's nice to be important, but it's more important to be nice!
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Post Options Post Options   Thanks (1) Thanks(1)   Quote britrifles Quote  Post ReplyReply Direct Link To This Post Posted: January 27 2024 at 8:59am
Also, the rifle should only be supported on the action body and butt stock, don’t hold onto the forend. 

 Here’s how I set up mine. I use .003 inch thick aluminum shim stock between barrel and forend bearing, note the reading on the scale as you gently pull the shim stock until it slips. 


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Post Options Post Options   Thanks (0) Thanks(0)   Quote A square 10 Quote  Post ReplyReply Direct Link To This Post Posted: January 27 2024 at 9:30am
very interesting and informative thread , 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote slowindown Quote  Post ReplyReply Direct Link To This Post Posted: January 27 2024 at 10:21am
I put a cheap 3-9x32 simmons scope on it.  I temporarily attached the cheek piece with some velcro as I'm unlikely to run a scope on this rifle and didn't want to drill holes in it. Anyway, I'm very happy with the groupings at 100 yards.

So I guess I just need to epoxy my shims down?

I ran into another weird sort of problem.  The top wood pieces slowly creep forward.  I find myself loosening the barrel bands every 4-5 shots and sliding them back before it makes it to the sight.  What's a good way to fix this?


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Post Options Post Options   Thanks (0) Thanks(0)   Quote britrifles Quote  Post ReplyReply Direct Link To This Post Posted: January 27 2024 at 12:31pm
Yes, use a flat screwdriver to stake the back edge of the upper band which engages in the handguard cap. 


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Post Options Post Options   Thanks (0) Thanks(0)   Quote slowindown Quote  Post ReplyReply Direct Link To This Post Posted: January 27 2024 at 12:45pm
Thank you!
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