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for the fullsize 9 and 40? To my knowledge, the only differences in these guns is the slide internals . Is that correct? I want to buy a 9mm and be able to run it on either the 40 or the 9m frame and vise versa. Thoughts?
 

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for the fullsize 9 and 40? To my knowledge, the only differences in these guns is the slide internals . Is that correct? I want to buy a 9mm and be able to run it on either the 40 or the 9m frame and vise versa. Thoughts?


9 mm and .40 slides are different. The 9mm slides have lightening cuts forward of the ejection port and the center ridge on the bottom of the slide from the breech rearward is full length. There are also differences on the breech faces.



So, you can run complete 9mm and .40 slide assemblies (slide and barrel appropriate to caliber-recoil springs are the same) on either a 9mm or .40 frame so long as you change magazines to match. The Storm Lake conversion barrel allows you to fire 9mm from a .40 so long as you change magazines to match.
 
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