Quote:
Originally Posted by Capt Crunch
Depends on the gun from what I understand, you can do some drop in changes with Glocks and M&Ps but you can't go up in size, only down. i.e. 40/.357 to 9mm.
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I knew that it wasn't a direct swap in a Glock. I have a number of them and all of the .40/.357 Sig models needed aftermarket barrels to fit the barrel hood recess above the break face. However, I swear I read somewhere that the M&P models were all the same in the 9mm/.40/.357. Oh well, may have to wait for a Shied in .40 and get the 9mm barrel. I just picked up an M&P .40 FS today. I'll get my barrels in 9mm (and mags) and .357 soon.