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Mec-Gar Mag Spring Question


ES13Raven
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Because I live in the People's Republik of Kalifornia, I am limited to ordering "safer" 10-round magazines.

I have several of the Mec-Gar 10-rounders for the SP-01 Shadow and will need to replace the springs at some point. I have already contacted Wolff Springs, and they do not make replacement springs for this magazine.

The 10-rounders look very similar to the MecGar Standard magazines, except for the indention that limits the follower to 10 rounds.

Does anyone know if they use the same spring? I have emailed Mec Gar twice about this and did not receive a response.

Edited by ES13Raven
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Mec-Gar finally got back to me, and said that the 17-round and 10-round Mags use the same spring.

Now I have this question - does the Mec-Gar magazine need the 5% or 10% spring from Wolff?

From the Wolff website:

Please Note: For the CZ75 only the +5% spring will be +10% The +10% spring will be +15%
Edited by ES13Raven
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I switched to the +10% springs to ensure reliable feeding with my Mec-gars. Probably didn't need to but since I'm a production shooter the extra 10% just helps make sure I don't get nose dive jams or anything and doesn't make the mags any harder to load

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Mec-Gar finally got back to me, and said that the 17-round and 10-round Mags use the same spring.

Now I have this question - does the Mec-Gar magazine need the 5% or 10% spring from Wolff?

From the Wolff website:

Please Note: For the CZ75 only the +5% spring will be +10% The +10% spring will be +15%

Hmm, I wonder if the 16 and 17 round mags use the same springs.

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  • 3 years later...

 

Was doing some searching and stumbled on this post. 

 

Trying to get +10% springs for CZ 75 MecGar magazines.  Do these Wolff springs that fit CZ magazines also fit MecGar ones?   
https://www.midwayusa.com/product/3415411743/wolff-magazine-spring-eaa-witness-10-pct-extra-power

 

CZ Custom site lists them as incompatible? https://czcustom.com/products/cz-75-85-sp01-full-size-magazine-spring-10.html and the ones that are - https://czcustom.com/spring-mag-mecgar-follower.html - are not +10%

 

Any recommendations and advice are welcome. thanks in advance!

 

Edit: I guess i found my answers here: https://czfirearms.us/index.php?topic=60900.msg399515#msg399515
and here: https://czfirearms.us/index.php?topic=53128.msg328552#msg328552

Edited by nasty618
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