I disagree. They are already producing 4566s for at least one documented agency. All the initial requirements are already in place. There are no "start up costs" because they already have the ability and are producing. If I am not mistaken, and someone correct me if I am wrong, they have an seperate location dedicated to the production of metal framed autos.
No, the problem is what they feel threatened by Glock's overwhelming presence in the LE market. The LE market was previously dominated by S&W. That was the entire reason the M&P was designed. If that wasn't the case, they would have allowed the Sigma design to soldier on by itself.
Again, S&W could viably produce these guns again. They produce a very high quality 1911 at an affordable price, entirely of domestically produced parts. There is no reason they couldn't again produce the 3rd generation guns.
There's actually several good reasons.
Now, one must remember WHY the Glock took over the law enforcement field to begin with.
One was liability-Most of the S&W steel frame weapons are DA/SA handguns, which caused problems when shady prosecutors tried to hang officers on negligence charges for shooting suspects with a gun capable of being cocked. Massad Ayoob has better details on this sort of thing, but long story short DAO started being favored by department heads to protect LEOs in court. And according to the ATF Glocks are DAO.Coincidence?
Two was cost-Glocks being made from low cost plastic frames that company could undercut S&W at every turn for the LEO market. Bean counters make decisions in government more than one thinks, and having a police department trade in their heavy , metal S&Ws for lightweight, new, affordable Glocks made sense for the police department's bottom line, and it made sense for Glock.
Three-Ease of use. Its very simple to train someone to shoot an M&P or a Glock. Draw, point , and shoot.Training someone to effectively shoot a DA/SA gun takes much more time and much more ammo, both of which cost money communities today simply do not have.
Four-For what its worth there is not much interest in the private sector for steel frame semi-autos now.Outside of the popular 1911 and Beretta series metal frame guns are passe' in the new gun case. Poly frame guns are lighter , cheaper,and have better ergonomics than most metal frame guns.These days when the average new gun person thinks semi-auto pistol the word "Glock" comes into mind. In this polymer marketplace a heavy & expensive alternative wont get very far.