A couple years ago I bought a few Arisakas in a package deal. One of them is a beautifully made example of skill and craftsmanship. It's serial #20 and looks better than most new guns today. Nice fit and finish. The problem is some fool rechambered it to 30-06, bent the bolt and drilled and tapped for a Weaver scope base. Otherwise it's issue. Now here's where it gets worse. Some other fool (me) installed a .308 chamber adaptor, with Loctite. It's the kind of adaptor that used to be in Navy M1's. Then fired it with 7.62 Nato surplus. The idea was to be able to use the magazine, which is too short for normal 30-06 length cartridges. Now it will take, feed, and fire .308 but the bolt close is pretty tight and it's too rickety now to depend on anyway. I'm looking for ideas. Rebarrel, rebore? Dump it? How hard is it to rebarrel an Arisaka?
Arisaka 99 project
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- Last Post 13 October 2014
interesting, my nextdoor neighbor has a souvenir arisaka.. anyway i googled www.milsurps.com and found some reading stuff. good luck with the 17 tpi heh heh.
ken
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At this point I would dump it. How much money do you like throwing away while trying to make a silk purse out of a sow's ear?
Perhaps if it were a rifle brought home from the war by a relative I would move heaven and earth to “restore” it. Otherwise, not so much.
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The good news is that 7.7's had chrome lined bores. Meaning you can probably find another rifle and use it's barrel.
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I wonder if it is a metric thread. I would also check to se if it is a 55degree thread. The only way to find out for certain is to take it apart. As for a rebarrel: I would imagine you could use any 308 based cartridge. If you cannot do it yourself your screwed. If it has been restocked you have less of a problem. If you rebarrel, I think 358 would be great for a cast bollet shooter. Are decent takeoff barrels avaiable from someone like Gun Parts?
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if i were desperate, i would consider a savage take-off ... they use 20 tpi, so arisaka 17 tpi would only crossthread about 1 or two threads ...
a better crutch would be to screw a bushing on the cut-down barrel tenon, then re-thread to the 17 tpi needed.
i think they call it ” labor of love ” ...
ken
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A good machinist should be able to thread a barrel to fit from specs from your barrel . The 99 has a safety breech that would need machined to accept bolt as well as extractor cut in end for extractor after barrel is headspaced and indexed.
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Before doing that tho I would get some Loctite solvent and try to remove adapter .
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the jap conversion really doesn't work well as the 30/06 case is a bit smaller. I was given a nice arisaka action with bent bolt and a full length stock it sat around for a few years while I wondered what to do with it.. finally I bought a 35 caliber barrel and a buddy threaded and chambered it. I got so interested I wound up buying a lathe and mill and have actually threaded a couple barrels myself. the one nice thing about the 35 Remington is if you decide you need more power you can run a 358 Winchester reamer into it or even a 35 Whalen. and yes it really doesn't have a lot of value but as I don't intend to sell it I really don't care. I say have fun with it no matter what you decide to do. argie1891
if you think you have it figured out then you just dont understand
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tim:
since this arisaka thing come up, i have been reading all the google material on them. the action thread on the 99 is 1.5 mm ( metric threads are distance between two threads ) the 6.5 rifles are 2 mm .
also, the users report a very strong action , hmmm , so it looks as if we could think of them as under-appreciated.
hey, i have always wanted a 6.5/284. i have a hunnert unused 284 brass ... ” you have a pair of brand new roller skates ... i have a brand new key !! ” ...comes to mind.
hey i just remembered ... i have a reamer for 257 marquart improved !! if interested , i will ship it out to you. seems fitting ... marquart was around about the time of WW2 .. gee a $100 barrel blank from midway and you are almost there .. ... the bolt counterbore in the breech is just like remington 700 but deeper ; even stronger.
maybe the arisaka is as ugly as our family dog ... but it IS our family dog ...
pardon my exuberance for goofy projects ... especially when someone else has to deal with the unforseen consequences !! ( g ) .
ken
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Years ago I read in the 'American Rifleman' about a fellow who brought a 6.5 Arisaka in to a gun shop to see why the recoil was so high. Somebody had chambered that rifle for 3006 and left the 6.5 barrel on it. Ok chambered the 6.5 barrel to take a 30/06 cartridge. It was sent to the NRA who test fired it and could find NO DAMAGE to the action. They ruled the Arisaka as the worlds strongest action - if memory serves-. Brodie
B.E.Brickey
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P.O. Ackley did blowup test on various actions. The test are listed in his two volume “handbooks.” I also think that the test results were reprinted with Ackley's permission in “Hatcher's Notebook.” The Arisaka were VERY strong. I think “Hatcher's Notebook” is available online free somewhere. Somewhere I am certain that I have the specs for the Arisaka threads and shank diameter.
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I'm going to find me some Loctite solvent- I didn't know it existed before this. If I can get that chamber adaptor out I may just live with the 30-06 wildcat it is. Then fireform brass, use .316299 single shot or loaded short enough to feed thru magazine.
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I should think a 30-06 chamber reamer would take that 308 insert out. Seems like that would be easier than re-barreling the critter.
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offhand i don't know the temp where loctite gives up, but guessing 600 F. would do it. harbor freight has a $18 heat gun. then run a 7/16 tap into the back of your insert and pull it out hot. hey that might give you a nice blue as a bonus.
did i mention to take the stock off ?
ken
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Or,run the tap up into the insert and then knock the insert and tap out with a rod down the muzzle. Have done this in similar situations.
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At this point I would dump it. How much money do you like throwing away while trying to make a silk purse out of a sow's ear?
Perhaps if it were a rifle brought home from the war by a relative I would move heaven and earth to “restore” it. Otherwise, not so much.
I must agree here and I will attest that this is the reason I have only passed along Arisakas and never owned one. Even some nice sporters and I am a sucker for a really nice sporter with Redfield iron sights!
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I'm spread a little thin on projects. Right now it's an 1884 Trapdoor. My first one. It was described as 'mechanically excellent' but the firing pin is in 3 pieces. I have parts on the way and hope to have it up and running for some CBA competition. The Arisaka is hard to let go, it's actually a nice looking gun. I've never seen one so nice. It's serial #20. I'll sleep on it some more. Maybe see about a rebore by that guy in Oregon. Meantime I'll try the heat gun and tap.
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I
Exactly! Still thinking out loud, I'm going to try working with it as is. Path of least resistance. Off to the range later today, fire form 20 factory rounds, see what I get. It's a wildcat no matter what. I'm expecting to get a 7.7x51 Nato with a slightly shortened body. Downside is the insert could pop out and it's back to square one. Hey, it keeps me out of the bars!
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