Their steel framed guns were as heavy as boat anchors, and none of them were as reliable across the board as the older Sigs and Berettas. The DA/SA guns are dead as far as major Police contracts are concerned, and the M9 is likely to be the last such for the military too. S&W made a smart decision IMO to drop the Gen 3 guns, and is hard on Glock's heels for the US Police market now. Production capacity and hand fitting (yes the Gen 3 guns did still need some hand fitting) combined to end them.

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