Originally Posted by
Dannix
I've heard lots of bad things about the Witness in 9mm. The 40cal version apparently has none of the problems the 9mm does.
I haven't heard of a single pistol that switches "uppers" well, like a AR10/15 to a different caliber. Those 22LR kits I guess are an exception, depending on the brand, but they are so pricey you may as well just get a 22LR pistol.
Oh, I think I already mentioned, but avoid the Glock 40cals unless you don't mind shoooting factory ammo only, no reloads. The Glock clones (Springfields and the like) don't seem to have this problem. I've been intrigued by the Beretta in 40 (roller-block, if I got that right -- maybe very boolit friendly), but have never gotten interested enough to look into it.
Anyway, hope this helps. :smile: