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Tikka 270/300wsm mags same oal?

 
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Old 03-21-2012, 11:00 AM
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Tikka 270/300wsm mags same oal?

I'm trying to find a way to load my rounds to a longer oal, while using the factory magazine. I'm currently modifying a 270wsm mag but haven't finished yet. But I had a thought, does the 300wsm have a longer oal and would it work?
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Old 03-21-2012, 11:15 AM
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Re: Tikka 270/300wsm mags same oal?

I believe they are the same. Not just the same OAL but the same magazine. For reference my Tikka T-3 300WSM magazine measures 2.910

My question to you is how are you ever going to modify it enough to matter? When I make my cartridges 2.90 I'm still jumping the Sierra 180 Matchking .170 and the Nosler 180 Accubond a whopping .262! Fortunately it still shoots them sub-MOA.

Please keep us posted. I'm interested in your results.

Bruce
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Old 03-21-2012, 11:27 AM
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Re: Tikka 270/300wsm mags same oal?

Quote:
Originally Posted by bbutturff View Post
I believe they are the same. Not just the same OAL but the same magazine. For reference my Tikka T-3 300WSM magazine measures 2.910

My question to you is how are you ever going to modify it enough to matter? When I make my cartridges 2.90 I'm still jumping the Sierra 180 Matchking .170 and the Nosler 180 Accubond a whopping .262! Fortunately it still shoots them sub-MOA.

Please keep us posted. I'm interested in your results.

Bruce
My 270wsm measures 2.90 as well. Researching this subject,i ended up removing the whole plastic piece on the inside back of the mag. Then I will find/fabricate a replacement piece of plastic, cut it to a size that will increase bullet oal, then epoxy it into place. Then I will purchase the bolt stop that beretta sells to increase bolt travel, so the bolt will be able to chamber the longer rounds.
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Old 03-21-2012, 11:27 AM
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Re: Tikka 270/300wsm mags same oal?

Quote:
Originally Posted by emmagator View Post
I'm trying to find a way to load my rounds to a longer oal, while using the factory magazine. I'm currently modifying a 270wsm mag but haven't finished yet. But I had a thought, does the 300wsm have a longer oal and would it work?
Same case trim O.A.L. of 2.100 (book recommendation trim to 2.090)
Same C.O.A.L. "book recommendation of 2.860" for all the wsm's 270wsm, & 300wsm, & 325wsm & 7wsm.
Model 70 Winchesters typically have a pretty long mag. I don't know what your Tikka mag is.
I'm having a 300WSM built on a long action Model-70 specifically for even longer C.O.A.L.
But I have a factory Model-70 in 270WSM that the C.O.A.L. runs 2.915 with 140 Accubonds .015 off the lands, & I still have plenty of room in the mag.
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Old 03-21-2012, 08:46 PM
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Re: Tikka 270/300wsm mags same oal?

Well i have a really ruff first attempt at modifying the tikka magazine. I used a piece of teflon and glued it into the magazine. I will be able to load out to 3.1". Now when i get my longer bolt stop, ill see if they chamber smooth.
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Old 03-22-2012, 05:00 PM
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Re: Tikka 270/300wsm mags same oal?

DIY is both agrevating, & very rewarding, depending on how things turn out. If you get a chance, post some pics. Could be educational for a lot of folks.
Keep us informed on how it all turns out.
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Old 03-22-2012, 05:19 PM
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Re: Tikka 270/300wsm mags same oal?

Quote:
Originally Posted by winmag View Post
DIY is both agrevating, & very rewarding, depending on how things turn out. If you get a chance, post some pics. Could be educational for a lot of folks.
Keep us informed on how it all turns out.
Ill try and get some pics up soon. With this first attempt I just used super glue, so I'm concerned about it holding up to recoil and such. However now that I have an idea how to go about it, I'm gonna get another mag and try to make a "prettier" version. Not to much room for error though tikka factory mags aren't cheap!
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