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Old April 9, 2018, 09:11 PM   #1
'88Scrat
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7.7x58 Jap

I recently acquired a very nice Japanese Type 99 in 7.7mm (it has the dust cover and everything!) but did not take into account the scarcity of the ammo. Who makes 7.7 commercially?

I reload shotgun shells but don't currently have the equipment or know how to reload rifle rounds.
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Old April 9, 2018, 09:43 PM   #2
Archie
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Hornady makes loaded ammunition in 7.7 Arisaka. I can't find anyone in stock at the moment.

Graf & Sons have both Norma and Precision. Norma is expensive, Precision is less spendy, but I've never had any experience with them.

Reloading is a bit better. Norma and PPU both make brass (haven't seen PPU ammo, which surprises me a bit) and bullets are the same as .303 Brit (.311"). Powder and primers are nearly universal for cartridge size.

Commonly, the round is not much loaded for hunting purposes. Too many other easily available rounds around. But I have a couple guns who used to be owned by some special friends...
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Old April 10, 2018, 09:20 AM   #3
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I use Prvi brass and Speer bullets. Lee has the dies.

At one time 7.62x54R was cheap enough to make it worthwhile to pull the bullets and use them in 7.7. For a while I was shooting a Japanese rifle with ammunition made of Serbian brass, Russian bullets, Finnish powder, and Korean primers.
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Old April 10, 2018, 09:53 AM   #4
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the 7.7mm Jap is the .303 British, with a rimless case. The bullets, powders, velocities and pressures are the same, or virtually identical. What you can do with one, you can do with the other. The only real difference is the case itself, and the rifles you find each in.

Since you aren't set up for rifle reloading, I won't bother to go over forming 7.7mm brass from .30-06 cases, but its can be done, and often was as the only way to get usable 7.7 Jap brass.

Today the situation is better, new brass can be found (but tis not cheap), I've gotten Graf brass at gun shows (though not lately, since I haven't been looking)

the "full boat" type 99 will have the receiver dust cover, the monopod, and the AA sights. And an intact "Mum" will increase the collector value.

Later production rifles did away with the AA sight (and I think at some point, the flimsy monopod) , and troops often did away with the dustcover, supposedly because it rattled and gave them away when on patrol. Personally, I think it was also because they could, without imparing the function of the rifle.

If you have an Arisaka in military trim, there is one "accessory" that is vital, and more so, in my opinion than the dust cover, and that's the bayonet.

If you don't have one, get one, the rifle just isn't "complete" without one.
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Old April 11, 2018, 01:09 PM   #5
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You did well !!!

Quote:
(it has the dust cover and everything!)
Consider yourself lucky, to have the mud-cover as many wound up rusting in the battle field. .....

Now then, does it have the sling, mono-pod, bayonet and the Mumm ???

At one point, I had about 500rds of original ammo in stripper clips. Many had chromed bore and mine was" a tack driver. ....

Be Safe !!!
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Old April 13, 2018, 12:49 AM   #6
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Quote:
Now then, does it have the sling, mono-pod, bayonet and the Mumm ???
Pretty rare to find an Arisaka with the correct sling on it. Bayonets are still out there, but are collectable too, and no where near as cheap as they used to be.

The dust cover and monopod often went away in the field, and always did if the rifle was in any degree sporterized. I have seen both for sale as replacement parts, so its possible to restore the rifle if you can get them.

early models of the type 99 had the "anti-aircraft sights", which had folding wings (bars) for calculating lead to aim at moving aircraft. This was dropped later in the production, to save cost and effort. Plus it was always of doubtful value...

They all HAD "mums", the Chrysanthemum symbol of the Emperor. After the war, stocks of surrendered rifles (mostly) had the mums ground off, or defaced in some manner. Surrendering a rifle with the Emperor's symbol intact was considered dishonorable. Information about who ground the mums. where and when varies widely. Some say it happened in Japan, by the Japanese under Japanese direction, some say in Japan under US direction some say US troops did it in the US when the rifles were imported, any or all of this might be true, no way to tell, unless you were there.

What is generally accepted is that an Arisaka with an intact Mum is considered a battlefield pick up (war trophy) and collectors generally pay more for that.
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Old April 13, 2018, 01:18 PM   #7
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"...the 7.7mm Jap is the .303 British..." No, it isn't. Different case altogether. Especially the rimless part of the 7.7 Jap. Only similarity is the bullet diameter.
http://stevespages.com/jpg/cd77x58japanesearisaka.jpg
http://stevespages.com/jpg/cd303british.jpg
Norma loads 7.7 Jap. So does Precision Cartridge(Graf's) and XCaliber(via Ammoseek). All are using hunting bullets. Prvi makes the brass. Hornady only makes it in their custom shop and not regularly. Isn't listed on their site at all.
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Old April 13, 2018, 03:26 PM   #8
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Quote:
the 7.7mm Jap is the .303 British, with a rimless case.
Have some more coffee.
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Old April 16, 2018, 08:48 AM   #9
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I shoot a original 7.7 and have killed deer with it with a hornady 174 RN at 2400 fps. for cases you can use 8mm mauser cases, full lenth sized and then loaded. the 8mm case is 57mm long and the 7.7 case is 58 mm long.
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Old April 16, 2018, 01:24 PM   #10
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7.7 x 58 Army was for all reality a 303.

Quote:
7.7x56mmR,
Was the exact copy.

All re-loading for 303 works for both.
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Old Yesterday, 03:36 PM   #11
eastbank
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the 303 british is NOT THE SAME AS THE 7.7 JAPANESE, no where close. just take a look in cartridges of the world, the only thing they have in common is a .311-312 diameter bullet. and the british army rifles are much weaker than the type 99 Japanese army rifles with both in good condition.
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