BudsGunShop.com - Compact?
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Will this work in my compact 357. P 320. And feed 40 and 357?
3 Answers

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William, yes Sir it will. It will feed both 40S&W and 357Sig no issue.
The mag should fit but it is for a full-size sig 250/320 and would stick out of your compact frame. And yes it should feed both 357 sig and 40 s&w
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Irv - it should fit and feed just fine, both .40 and .357. It will protrude below the bottom of the grip, however, so be prepared for that.