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Double Rifles, Single Shots & Combinations >> Single Shots & Combination Guns
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Hendo
.224 member


Reged: 23/05/18
Posts: 45
Loc: South Australia
Chamber resleeve advise needed
      #341442 - 28/05/20 02:57 PM

Hi All, I have recently acquired an interesting little single shot, falling block action rifle chambered for .300 rook.
It has Belgium proof marks and has been reblued at some stage in its busy life. Unfortunately, the over enthusiastic polishing has left no hint of who the manufacturer is, (the proof marks are under the forearm, the only part of the octagonal barrel that's been left alone).

It looks like a previous owner has run out of Rook ammo and used something very much shorter (32 Colt??) because the chamber is badly eroded about halfway down , making it very difficult to eject a spent case.
My choices are either (1) resleeve the whole thing to 32-20 or more likely 25-25, a very costly exercise. or (2) find a gunsmith in Australia who can resleeve the chamber in the original cartridge chambering. This is preferred because , apart from a small patch of corrosion, the rifling looks quite good. and half the fun of these old workhorses is shooting them as they were originally.
So my question, Does anyone know of or can recommend a gunsmith in Australia who does this sort of work ie resleeving chambers

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Hendo
.224 member


Reged: 23/05/18
Posts: 45
Loc: South Australia
Re: Chamber resleeve advise needed [Re: Hendo]
      #341443 - 28/05/20 03:31 PM

[image]https://imgur.com/CeyVQHV[/image]

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Hendo
.224 member


Reged: 23/05/18
Posts: 45
Loc: South Australia
Re: Chamber resleeve advise needed [Re: Hendo]
      #341444 - 28/05/20 03:33 PM

Sorry folks, Haven't quite got the photo process sorted out but I am determined to.

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93x64mm
.416 member


Reged: 07/12/11
Posts: 4200
Loc: Nth QLD Australia
Re: Chamber resleeve advise needed [Re: Hendo]
      #341450 - 28/05/20 10:33 PM

Yes you can get brass & dies
Follow the links
https://www.northernshooterssupplies.com.au/300-Rook-Unprimed-Brass-Cases-p/300rk.htm

I have to agree with you there Hendo - what would be your load?
Also it is a .300" projectile - casting will be in order, or will you resize .32-20 pills?

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DoubleD
.400 member


Reged: 23/11/03
Posts: 2437
Loc: Retired in Oklahoma
Re: Chamber resleeve advise needed [Re: 93x64mm]
      #341452 - 29/05/20 01:33 AM

https://i.imgur.com/CeyVQHV.jpg

How's this.



I had to resize your image as it was far to large to be seen properly on the board.

While from a collector stand point keeping this all original would be preferred, from a shooters view, relining would be the better way to go.

I doubt you will be able find a gunsmith with .300 reamer. The gun would better serve being relined. I don't think you will find much difference in cost to fully reline to 32-20 than just sleeving the chamber.

If you can sort the .300 reamer out, you still have to deal with finding brass dies and bullets which are not common-in an uncommon bore size.

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DD, Ret.

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lancaster
.470 member


Reged: 06/05/08
Posts: 9036
Loc: There's a lighthouse in the mi...
Re: Chamber resleeve advise needed [Re: DoubleD]
      #341456 - 29/05/20 03:37 AM

my point of view: the 300 rook is not a high power cartridge



what would I do? turning the barrel out of the receiver, looking for a lathe with a four-jaw chuck for the octagonal barrel. I would drill the chamber area out, maybe to 10 mm diameter. than soft solder a short liner tube - 10 mm outside, 8 mm inside into the chamber.

looking for a reamer

there are simple 8,1 mm reamer for sale in germany,not expensive
just ream a cylindrical chamber with such a tool.

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Norwegian hunter misses moose, shoots man on toilet
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bringing civilisation to the barbarians

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HuviusModerator
.416 member


Reged: 04/11/07
Posts: 3556
Loc: Colorado
Re: Chamber resleeve advise needed [Re: lancaster]
      #341458 - 29/05/20 09:16 AM

Since your rifle has a very nice bore, I would try rechambering to 25/20 with a reamer pilot sized to the bore.
You would end up with a cleaned up chamber for a slightly bottle necked cartridge with a neck length of .235" if I'm thinking correctly.
That is if your existing neck area of the chamber is in good condition - you say the roughness is about halfway down the chamber.
Would be a 30-20 or if in keeping with the British way, maybe call it a 300 #2 Rook

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He who lives in the past is doomed to enjoy it.

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500Boswell
.400 member


Reged: 21/07/06
Posts: 1276
Loc: Queensland
Re: Chamber resleeve advise needed [Re: Huvius]
      #341488 - 30/05/20 08:04 AM

Alan Swan re sleeved a Low Wall for me in 32-20 ,was good !

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