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What mag spring for 47D's?

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I did a search, but couldn't find any conclusive posts saying who makes an extra power magazine spring for the Wilson 47D's. It looks like at one time Wolff made some, but now they don't? ISMI makes some, but I'm not sure what part I need?

Could someone clarify this for me?

Also, does anyone know if there is anyone online that sells the Tripp Research follower/spring replacement kit, or do I need to order directly from them?

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1,230 Posts
Wilson gets their springs from Wolff and by agreement with Wilson they don't sell the Wilson spring. ISMI springs work very well in the 47D. Here is the Brownell's part # you need.

SSCS2 1911 Spring
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