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  #1  
Old 09-03-2019, 7:32 PM
bsquared bsquared is offline
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Default Assistance with Ammo ID - 6.5 Japanese Arisaka?

Hi All,

I recently purchased a mixed lot of ammo, which included about 110 rounds of what I believe is 6.5 Japanese Arisaka ammo. I know nothing about Arisakas, so thought I would post up some pics to see if anyone may be able to assist with definitively ID'ing what I have.

The first two pics show the cartridge casing headstamp and round of about 40 rounds of the ammo. All marked 'K16' or 'K17'. Have read that this may be British made during WWI?

Third and fourth pics are of the headstamps of the remaining 70 or so rounds. About 60 are unmarked, and around 10 have the '6.5' at 12 o'clock. Wikipedia indicates that the unmarked rounds may be Japanese surplus.

Pic five is typical of the 70 rounds, looks to be the more modern 'spitzer' bullet type.

I measured casing length, they are all 50mm.

Any information would be appreciated. I have no use for this ammo, would like to pass it on to someone who could use it, just need to confirm what it is.

Thanks in advance for any info you can provide!
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  #2  
Old 09-03-2019, 8:11 PM
pacrat pacrat is offline
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Appears to be semi rimmed 6.5x50 Arisaka ammo. Here are the case dimensions from "wiki". You can measure and confirm.

Quote:
The 6.550 Japanese Arisaka, 6.5mm Japanese Arisaka, 6.5 Jap, or 6.5x50mmSR Arisaka is a semi-rimmed cartridge, with a 6.5 mm diameter bullet. Historically it has been referred to as the "6.5 Jap". The 6.5x50 Japanese Arisaka naming convention follows common European naming conventions. Wikipedia

Bullet diameter: 6.705 mm (0.2640 in)
Case length: 50.39 mm (1.984 in)
Rim diameter: 11.84 mm (0.466 in)
Rim thickness: 1.143 mm (0.0450 in)
Base diameter: 11.35 mm (0.447 in)
Neck diameter: 7.34 mm (0.289 in)
Shoulder diameter: 10.59 mm (0.417 in)
I have an original type 30 Arisaka that uses the 6.5x50 cartridge. If you are looking for a home for it. Willing to compensate shipping and reasonable compensation. I don't really have any idea what it is worth.
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Old 09-03-2019, 8:20 PM
bsquared bsquared is offline
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Pacrat, thanks for the info. I will try to measure and confirm that it is indeed for the 6.5 Arisaka. Will PM you...
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Old 09-03-2019, 8:38 PM
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They seem to match with the online data for 6.5 Japanese Arisaka ammo - https://www.google.com/url?sa=t&rct=...6JIRm3ZQ7WRDzY
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Old 09-03-2019, 9:02 PM
Lucky Penny Lucky Penny is offline
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Great collection - as far as I can see all are 6.5x50 semi-rimmed , the first and second pic are British WWI made. Third pic are Chinese made ... the 33 corresponds to the year 1944. Fourth are Japanese made.

More info: http://www.nambuworld.com/arisakacartridges.htm
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Old 09-03-2019, 9:16 PM
bsquared bsquared is offline
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Thanks Rogerbutthead and Lucky Penny, excellent info!
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Old 09-03-2019, 9:45 PM
pacrat pacrat is offline
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Quote:
Originally Posted by Rogerbutthead View Post
They seem to match with the online data for 6.5 Japanese Arisaka ammo - https://www.google.com/url?sa=t&rct=...6JIRm3ZQ7WRDzY
Quote:
Originally Posted by Lucky Penny View Post
Great collection - as far as I can see all are 6.5x50 semi-rimmed , the first and second pic are British WWI made. Third pic are Chinese made ... the 33 corresponds to the year 1944. Fourth are Japanese made.

More info: http://www.nambuworld.com/arisakacartridges.htm
OK Mil-Surp gurus. I have a bit of an enigma. I have a 5 round stripper clip of 6.5x50 Arisaka ammo, that matches nothing either of your links covered.


They have the later Japanese production 3 stakes holding the primers. And are of spitzer bullet configuration. Now the catch.


They are "cupro nickle" like the early RN, but are spitzers, with tiny hollow points.

Not listed, shown, or mentioned in the links above.
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Old 09-03-2019, 9:58 PM
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Have you asked the experts on the Gunboards forum?

https://forums.gunboards.com/forumdi...The-Rising-Sun

They have forgotten more than what I know.
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Old 09-03-2019, 11:36 PM
pacrat pacrat is offline
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Quote:
Originally Posted by Rogerbutthead View Post
Have you asked the experts on the Gunboards forum?

https://forums.gunboards.com/forumdi...The-Rising-Sun

They have forgotten more than what I know.
No Sir, I have not. I don't any longer frequent any other forums. After having this ammo for 40 yrs. It was only this PM, when checking for OP, that I realized I had something unusual.

Back Story. The ammo was found in an attic in 1968, along with a "Type 30" and bayo, with scabbard, by my father doing a reno room addition, for an elderly widow neighbor lady. She didn't want it and gave it to Dad. Who had no use for it, and gave it to me.
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Old 09-04-2019, 12:28 AM
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If you post a picture of the ammunition - showcasing the tiny hollow points, I'll post the pic there to see what they have to say.

I don't think I have ever had anything other than Norma 6.5mm Japanese ammo in my hands, so I am clueless.
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Old 09-04-2019, 1:35 AM
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Quote:
Originally Posted by pacrat View Post
OK Mil-Surp gurus. I have a bit of an enigma. I have a 5 round stripper clip of 6.5x50 Arisaka ammo, that matches nothing either of your links covered.


They have the later Japanese production 3 stakes holding the primers. And are of spitzer bullet configuration. Now the catch.


They are "cupro nickle" like the early RN, but are spitzers, with tiny hollow points.

Not listed, shown, or mentioned in the links above.
Made between 1900 and 1910 when they first changed to the spitzer. The "hollow point" is where the cupro nickle jacket was drawn over the core, like Sierra Hollow Point Match bullets are made, not a true hollow point.
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Old 09-04-2019, 1:41 PM
pacrat pacrat is offline
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Quote:
Originally Posted by TRAP55 View Post
Made between 1900 and 1910 when they first changed to the spitzer. The "hollow point" is where the cupro nickle jacket was drawn over the core, like Sierra Hollow Point Match bullets are made, not a true hollow point.
That makes sense, here is an excerpt from a PM I sent to OP last night. The Match Kings comparison is spot on.



Quote:
Oddly, 5 of the total of 10 rounds I have are "cupro nickle" spitzers, with a small hollow point similar to modern target ammo like Sierra Match Kings.
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