Questions about a sporterized k98 mauser
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Old 03-22-2014, 06:06 PM   #1
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Default Questions about a sporterized k98 mauser

My dad's friend is selling his sporterized k98 Mauser. I'm about 98% sure we are getting it. I can't find anything online for it. The only numbers I found on the rifle was R-1858. It has a stamping under the front Weaver rail (two piece Weaver mount) but the rail pieces were either glued or soldered on. It says 7.92 on the side of the receiver, but I can't find any 7.92 ammo. I read online that there is 3 different 8x57 variations : 8x57, 8x57j, and 8x57js. I may be wrong on one of them. I measured the bore diameter : .3118.

It has the original barrel on it. Which 8x57 ammo do I need for this rifle?

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Old 03-22-2014, 07:51 PM   #2
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Only way to be sure is have a decent smith create a chamber cast. A lot of mausers can be pretty much anything when some one has bubbafied it. Markings arent going to tell you this info in the case of bubba'd guns

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Old 03-22-2014, 08:07 PM   #3
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i have to agree with Jon. with it being sporterized, just because it says one thing, and it may still even have a barrel that is an 8mm, it culd still have been rechambered in something like a 8mm-06 or similiar over the years.

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Old 03-22-2014, 10:02 PM   #4
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I would chamber cast any old warhorse that had been butchered....uhhhhh. "sporterized."

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Old 03-22-2014, 10:04 PM   #5
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Close ups' of the stamps would help. If the barrel has waffenamts it is WWII vintage and would be 8x57, or 7.92x57is. The germans used fancy letters, so it is often mistaken for a j in the U.S. All K98k Mausers are 8x57 using .323 bullets. If it is a guild sporting gun, it could be .311, but the bolt is completely wrong for a guild rifle. It also has K98 sights which were never used on custom guild rifles. i is for infantry, S is for Spitzer denoting .323. Only Commission rifles would be stamped IS. All GEW98 and K98 rifles are .323.

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Old 04-02-2014, 01:31 AM   #6
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Quote:
Originally Posted by jpattersonnh View Post
Close ups' of the stamps would help. If the barrel has waffenamts it is WWII vintage and would be 8x57, or 7.92x57is. The germans used fancy letters, so it is often mistaken for a j in the U.S. All K98k Mausers are 8x57 using .323 bullets. If it is a guild sporting gun, it could be .311, but the bolt is completely wrong for a guild rifle. It also has K98 sights which were never used on custom guild rifles. i is for infantry, S is for Spitzer denoting .323. Only Commission rifles would be stamped IS. All GEW98 and K98 rifles are .323.
It's a Spanish m43 Mauser. It's a k98 copy (large ring). Do any of you guys know if the m43 is a .318 or a .323 diameter gun?
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Old 04-02-2014, 01:39 AM   #7
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It's a Spanish m43 Mauser. It's a k98 copy (large ring). Do any of you guys know if the m43 is a .318 or a .323 diameter gun?
there is only one way to no for a positive fact of what you have. have a compentent gunsmith do a chamber casting and measure it and have the bore slugged and measured to know exactly which bore size you have. anything else would simply be guessing. not a good thing when firing live ammo.

many of those old Mausers that have been "sporterized", unless you know the gunsmith who did the actual work, there is no known idea as to what work may have been done as far as re-boring the barrel or if it's been rechambered in a different cartridge over the years. with a rifle that may be 60-70 years in age, there is no telling how many people have maybe laid hands on this rifle in it's lifetime.
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