goldfish Posted April 8, 2016 Share Posted April 8, 2016 (edited) I have heard of people switching 40 barrel to 9 but is it doable and safe to convert a 9 into a 40. I am thinking of making my extra stock 2 9mm into a Limited gun in 40 S&W to play USPSA. Is this just changing the barrel and magazine? Is a SA trigger a must have or a DA work the same way? Appreciate any advise. Edited April 8, 2016 by goldfish Link to comment Share on other sites More sharing options...
e-mishka Posted April 8, 2016 Share Posted April 8, 2016 You would be better off just to get a dedicated upper in 40, actually a limited upprr would be even better Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
kneelingatlas Posted April 8, 2016 Share Posted April 8, 2016 It won't work, a 40 rim is too big for a 9mm breech face. Link to comment Share on other sites More sharing options...
BeerBaron Posted April 10, 2016 Share Posted April 10, 2016 Yep. Won't work without new slide as kneelingatlas posted. The reason people can go 40-9 with a barrel swap is 9 can run in the 40 breech even though it's oversize. But a 40 case won't go into a 9 breech. You could probably find someone with a 40 stock 2 who would swap for your 9. Link to comment Share on other sites More sharing options...
johnbu Posted April 10, 2016 Share Posted April 10, 2016 Quick scan on gunbroker http://www.gunbroker.com/Auction/ViewItem.aspx?Item=551817553 Not mine, just showing the stuff for the op to do the swap is out there Link to comment Share on other sites More sharing options...
eboadway Posted April 10, 2016 Share Posted April 10, 2016 You could probably find someone with a 40 stock 2 who would swap for your 9. I would do this swap if you'd like. PM me if interested. Ed Link to comment Share on other sites More sharing options...
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