8mm mauser liner

Snider shooter said:
Try Ron at Nine 35. If he doesn’t have it he can import it. Excellent yo deal with.
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His _suppliers_ (chaszel, tj) do not offer liners with the appropriate twist for 8 mau so it's not an issue of finding an importer. I'm looking for someone who actually makes them.

I'm ok turning down a blank just making sure I'm not missing some place that already makes what I need.
 
KotKotofeich said:
This is for a rare k98 that has already been bored out to 410. Everything matching. Would be a shame to replace the barrel.
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To contain the pressure the liner would have to be bigger than the OD of the barrel at the muzzle. I’d either use it as such or leave it be and hang it on the wall. I have through about lining my MLE but same boat barrel is not thick enough to do so. Idk what would make a Mauser so rare but obviously someone in its past needed a shotgun.
 
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antiqueguy said:
To contain the pressure the liner would have to be bigger than the OD of the barrel at the muzzle. I’d either use it as such or leave it be and hang it on the wall. I have through about lining my MLE but same boat barrel is not thick enough to do so.
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The finns were able to reline mosin barrels with no ill effects.
 
antiqueguy said:
Hmm never heard about them relining a barrel. Rebarrel yes lots of those mosins with .308 bores.

Only military guns I have ever heard being relined are into .22 trainers.
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https://www.igun.cz/MosinID/MosinMPseries.htm

And they got some good use over the years which suggests it really isn't as much of an issue as some people like to say. At least up to 7.62x54 and 8mm pressures.
 
There are .32-40 liners, .315/.323, 9/16" diameter, but 1:14 twist.
I'm unaware of barrels using high pressure bottleneck cartridge barrels being lined. Perhaps a two diameter liner could be used, enlarged over the chamber. Perhaps a liner could be turned from a barrel. That might be the only way to get a liner. Using the example of the 9/16" .32-40 liner, minimum chamber wall thickness would only be 40-odd thousandths of an inch.
Maybe a new barrel could be installed in the way a Cooey-Carcano barrel was installed. The visible barrel shank with various marks would be preserved, but the balance of the barrel, mostly concealed by stock and handguard would be a replacement. Cut the original barrel at the end of the breech reinforce, bore it out and thread it. Turn a K98K barrel shank down and thread to suit. Install sight parts from the original barrel.
Carefully done, the work would not be apparent to a casual examination. I have no idea if this would be a practical or possible restoration.
Most relining jobs involve straight cartridge cases, and relatively moderate pressures.
Rifle got smoothbored in the UK to ease licensing?
 
tiriaq said:
There are .32-40 liners, .315/.323, 9/16" diameter, but 1:14 twist.
I'm unaware of barrels using high pressure bottleneck cartridge barrels being lined. Perhaps a two diameter liner could be used, enlarged over the chamber. Perhaps a liner could be turned from a barrel. That might be the only way to get a liner. Using the example of the 9/16" .32-40 liner, minimum chamber wall thickness would only be 40-odd thousandths of an inch.
Maybe a new barrel could be installed in the way a Cooey-Carcano barrel was installed. The visible barrel shank with various marks would be preserved, but the balance of the barrel, mostly concealed by stock and handguard would be a replacement. Cut the original barrel at the end of the breech reinforce, bore it out and thread it. Turn a K98K barrel shank down and thread to suit. Install sight parts from the original barrel.
Carefully done, the work would not be apparent to a casual examination. I have no idea if this would be a practical or possible restoration.
Most relining jobs involve straight cartridge cases, and relatively moderate pressures.
Rifle got smoothbored in the UK to ease licensing?
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It would definitely be some funky machining to line it. Knox form could definitely be used as a sleeve and the area of the front sight could be machined out and sleeved over too most likely. I wouldn’t go much further then that TBH it’s a Mauser not like their wasn’t millions made.
 
OP has indicated this is a rare K98K. Seriously collectible K98Ks have gone through the roof. I have no idea if the time, effort and cost would be justified, or how it would affect value. Or even be safe. The shotgun conversion sure didn't enhance value, but what effect will lining the barrel have? I don't know.

I don't think a collectible antique with the bore lined suffers in value. The liner can even be installed without drilling all the way through at the muzzle. The only giveaway that there is a liner is a ring at the barrel's breech face, and the perfect bore.
 
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