Originally Posted by dsk

A lot of people seem to have the mistaken belief that the 910 is nothing but a 915 with a 10-round magazine, and same with the .40 caliber 411/410. Like CelticSire said, while similar there are some noticeable differences. The machining of the 910/410 is simpler, and the guide rod, mag catch, and sights are made of plastic. BTW I tried swapping the top halves just for the hell of it, and while the 915 slide did fit on the 910 frame it didn't work vice-versa due to the lack of front rails on the 910's slide.