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Long Branch 69L Mk 1/3 gets a new Barrel
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britrifles View Drop Down
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Points: 8404 		Post Options Post Options   Thanks (0) Thanks(0)   Quote britrifles Quote  Post ReplyReply Direct Link To This Post Posted: January 04 2024 at 8:40am
Originally posted by DarioPirovano DarioPirovano wrote:

Are you going to do a refresh of the bedding job or just leave it as it is?

I’ll look carefully at the bedding. I may leave it alone. Fulton’s did a first rate job of it back in 1963. Although years ago when I first removed the forend, I was not aware of exactly how to remove it. I do remember it being a very tight fit. Looking closely at the wood draws, I see some slight compression. If the rifle still won’t shoot well with the new barrel, I’ll consider repairing it. 
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I love the "leveling tricks"! First Class.Thumbs Up
Don't shoot till you see the whites of their thighs. (Unofficial motto of the Royal Air Force)
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britrifles View Drop Down
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Points: 8404 		Post Options Post Options   Thanks (0) Thanks(0)   Quote britrifles Quote  Post ReplyReply Direct Link To This Post Posted: January 04 2024 at 10:30am
I’ll add that lubricating the threads will significantly lower the torque to get the same amount of pre-load in a joint. I don’t know if the No. 4 arsenals lubed the threads or not, likely not…
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Geoff, to file the groove dead square across the barrel; you could use a slave front sight support. drill the hole out slightly bigger than your file. So it can guide the file across the barrel. It would also prvent possible slippage and scrapes.

Impressive job by the way! looking forward to the range reports!
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britrifles View Drop Down
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Points: 8404 		Post Options Post Options   Thanks (0) Thanks(0)   Quote britrifles Quote  Post ReplyReply Direct Link To This Post Posted: January 04 2024 at 11:02am
Originally posted by Zed Zed wrote:

Geoff, to file the groove dead square across the barrel; you could use a slave front sight support. drill the hole out slightly bigger than your file. So it can guide the file across the barrel. It would also prvent possible slippage and scrapes.

Impressive job by the way! looking forward to the range reports!

Like that idea Shaun! That’s exactly what I will do, I’ve got several spare block bands. Thank you for that suggestion.

I should get the rifle reassembled soon after the 3/32 dia. file arrives.  Hope to get it to the range next Friday, weather permitting. 
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Watching with interest.  Nicely done!
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dittos the nicely done , 
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Got the front sight block band fitted. 

Using Zed’s great suggestion, taking a snug fitting spare block band, I opened up the hole for the retaining pin to 7/64 inch, a very slight enlargement. I then used the 3/32 file to slot the band upwards away from the barrel.



That allowed the 3/32 file to slip in the modified band above the barrel.  Careful filing of the barrel with light downwards pressure using the band to locate the notch needed in the barrel for the tapered pin.



Remove the slotted band, install the original band and trial fit the tapered pin. Repeat as required until the pin was a nice tight fit. 
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DarioPirovano View Drop Down
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Good job   
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Mayhem View Drop Down
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Very nicely done.
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britrifles View Drop Down
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All done.  

Hope to break in the new barrel and shoot a few test groups on Thursday. 
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Mayhem View Drop Down
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Points: 335 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Mayhem Quote  Post ReplyReply Direct Link To This Post Posted: January 08 2024 at 5:15pm
Very nice.  What is the black rod/cylindrical steel gizmo in the bottom of that picture?
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britrifles View Drop Down
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Points: 8404 		Post Options Post Options   Thanks (1) Thanks(1)   Quote britrifles Quote  Post ReplyReply Direct Link To This Post Posted: January 08 2024 at 5:53pm
That’s an “Official NRA trigger weight system”. Stackable weights to check trigger let off weight.  Our US NRA and Civilian Marksmanship Program (CMP) Rules for vintage military bolt action rifles have a minimum trigger pull of 3.5 lbs.  I typically set the triggers to release a few ounces above the minimum. 

I once failed a rifle inspection prior to the match, so decided I had to get this device, it’s identical to the one the CMP uses for match inspections. 
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Good job Geoff! 

The trigger weight gauge is similar to what the French use for our service rifles. My rifles are well over the minimum. But it's the feel and regularity of the trigger that I like. 
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Points: 3049 		Post Options Post Options   Thanks (0) Thanks(0)   Quote shiloh Quote  Post ReplyReply Direct Link To This Post Posted: January 09 2024 at 5:59am
luv your breaching up tools, allows little or no stress to the action body.
Great tutorial thanx for posting.
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britrifles View Drop Down
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Points: 8404 		Post Options Post Options   Thanks (0) Thanks(0)   Quote britrifles Quote  Post ReplyReply Direct Link To This Post Posted: January 09 2024 at 6:15am
Thanks guys, hopefully this will be of some use to the members.  

It's pouring rain here in ATL today, but Thursday forecast looks good; hope to get out to the range. Will post the results of the break in and test firing. 
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