Sig p290-9-8-X Mag in Micro 9 - Kimber Forum

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Old 09-01-2018, 03:44 AM   #1
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Sig p290-9-8-X Mag in Micro 9

Has anyone converted a Sig P290 8-round magazine to run in a Micro 9 ?
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Old 09-01-2018, 08:47 AM   #2
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Not a P290 but a P938 extended.
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Old 09-01-2018, 09:59 AM   #3
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I wan't able to find an 8-round P938 extended magazine.
Can you suggest a source?
Thanks

Last edited by JimCunn; 09-01-2018 at 10:03 AM.
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Old 09-01-2018, 11:12 AM   #4
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I see them on EBay or at gun shows.
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Old 09-01-2018, 01:03 PM   #5
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No luck.
I can only find 6, 7, & 10 for P938.
Looking for 8.
Oh well, it's easy enough to convert the P290-9-8-X mag to fit the Micro 9.
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Old 09-04-2018, 09:57 PM   #6
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Two 8-Round Sig P290 mags arrived today, as potential replacements for my 7-round Micro 9 mags. On one of the Sig mags, I've installed the Micro 9 magazine notches and trimmed the P290 basepad to fit the 9, converting the 9 from 7+1 to 8+1.

So far, so good. It inserts & drops OK, looks OK, and feeds OK. If they hold up - for esthetics, I'll probably 3D print some replacement basepads that look more like the stock 7-round Kimber basepads and less like the Sigs. Am now thinking about a +1 MagGuts mag spring to get to 9+1.

Yeah, I know - I've got too much time on my hands. Wish me luck 🙂
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Last edited by JimCunn; 09-04-2018 at 10:06 PM.
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Old 09-04-2018, 10:11 PM   #7
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Good luck. Hope it works ok. Iím running some P938 mags in my Micro 9. I plan to try one of the Magguts conversions in one. That would get the capacity to 8. The P238 kits work for my Micro 380
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Old 09-04-2018, 11:24 PM   #8
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Originally Posted by JimCunn View Post
Two 8-Round Sig P290 mags arrived today, as potential replacements for my 7-round Micro 9 mags. On one of the Sig mags, I've installed the Micro 9 magazine notches and trimmed the P290 basepad to fit the 9, converting the 9 from 7+1 to 8+1.

So far, so good. It inserts & drops OK, looks OK, and feeds OK. If they hold up - for esthetics, I'll probably 3D print some replacement basepads that look more like the stock 7-round Kimber basepads and less like the Sigs. Am now thinking about a +1 MagGuts mag spring to get to 9+1.

Yeah, I know - I've got too much time on my hands. Wish me luck 🙂
How about some pics of your progress and results?

Tommy b
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Old 09-04-2018, 11:29 PM   #9
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Keep me posted on your search for a MagGuts+1 for the 938. It might work for the 8-round 290. I sure would like to get to 9+1.
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Old 09-04-2018, 11:45 PM   #10
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Lousy smartphone photos.
I'm not happy with the Sig basepad, so will be making another, scratchbuild.
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File Type: jpg 2018-09-04 23_1536122702367.41.48.jpg (659.8 KB, 11 views)
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Last edited by JimCunn; 09-04-2018 at 11:51 PM.
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