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Mar 25th, 2012
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7.7 mm Ammo #7176188
05/22/18 12:45 AM
05/22/18 12:45 AM
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General Guts Offline OP
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I inherited this gun, Mitsubishi WWII rifle and am trying to find a place that sells 7.7 rounds and confirm the gun has NOT been modified.


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Re: 7.7 mm Ammo [Re: General Guts] #7176278
05/22/18 02:19 AM
05/22/18 02:19 AM
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Lewisville, TX
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ChadTRG42 Online happy
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If it's a 7.7 Jap, it's an easy round to load for. Norma and Prvi make brass, and it shoots a .311" or .312" bullet. I can load you most any .311"/.312" bullet, if you like. Let me know if I can help. Thanks!



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Re: 7.7 mm Ammo [Re: General Guts] #7176300
05/22/18 02:38 AM
05/22/18 02:38 AM
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Lewisville, TX
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Since your the second person in the last week or so looking for this round, I went ahead and added it to my website. Hope this helps!

https://dallasreloads.com/product-category/rifle-ammo/7-7x58-jap/



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Re: 7.7 mm Ammo [Re: General Guts] #7176938
05/22/18 08:46 PM
05/22/18 08:46 PM
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Wills Point
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I have a good set of bore mics to measure the bore. That doesnít help with the chamber but itís a start if your interested I will ship em to you or meet you somewhere if youíre on the east side of the metro mess.

Re: 7.7 mm Ammo [Re: General Guts] #7178237
05/24/18 02:22 AM
05/24/18 02:22 AM
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diablodog Offline
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Mitsubishi did not make WWII rifles . If you post a photo of the markings on the left hand side of the receiver I can tell you who did make it . The groove dia can be as large as .315 , so you need the right bullet to make it work well . Also the chambers are over sized . That combined with the groove will cause misfires with ammo made by someone who does not fully understand how to make it work . Just ask Hornady , they loaded it wrong and their ammo suffered from a lot of problems .

Re: 7.7 mm Ammo [Re: General Guts] #7179220
05/25/18 01:37 AM
05/25/18 01:37 AM
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It does not appear to me to have been bored.


I apologize if my posts upset you.
Re: 7.7 mm Ammo [Re: General Guts] #7179319
05/25/18 03:11 AM
05/25/18 03:11 AM
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Would still need to see the marking if you would like to know who made it .

Re: 7.7 mm Ammo [Re: diablodog] #7179453
05/25/18 11:35 AM
05/25/18 11:35 AM
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Where is it located?


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Re: 7.7 mm Ammo [Re: General Guts] #7179545
05/25/18 12:48 PM
05/25/18 12:48 PM
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On the left hand side of the receiver . In line with the serial number .

Re: 7.7 mm Ammo [Re: General Guts] #7181940
05/28/18 06:14 PM
05/28/18 06:14 PM
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CENTRAL MISSOURI
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I have a 7.7mm that my FIL 'brought back' from Japan. Gave it to me a short time before he past. Ammo can be somewhat pricy when found. Some ammo I use made by using 'fire formed' 30-06 cases and .303 Brit load data. Fires just fine in the rifle.

General Guts- can you get pictures of the markings? Mine has markings on top of the receiver in front of the chamber.


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Re: 7.7 mm Ammo [Re: General Guts] #7181946
05/28/18 06:20 PM
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The markings on the TOP of the receiver will NOT tell you who made it . All they say is " Type 99 " . .303 Brit load data is way to light for the 7.7x57mm .

Re: 7.7 mm Ammo [Re: General Guts] #7187495
06/03/18 07:54 PM
06/03/18 07:54 PM
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I apologize if my posts upset you.
Re: 7.7 mm Ammo [Re: General Guts] #7187683
06/04/18 12:05 AM
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The photo is not very clear . If the four circles making the stacked cannon balls is the only mark there , your rifle was made by the Kokura Arsenal .

Re: 7.7 mm Ammo [Re: diablodog] #7187733
06/04/18 12:52 AM
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Originally Posted By: diablodog
The photo is not very clear . If the four circles making the stacked cannon balls is the only mark there , your rifle was made by the Kokura Arsenal .


I'll try again for a better pic. I only have my phone camera.

Thanks


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