A few more rounds and update.
This past weekend I took the 4516 no dash out for a short lesson with a young female shooter who has decided - after shooting several different handguns/ in different calibers/ with different instructors - that she wanted to shoot a "45 carry gun" to see what it was like.
Someone suggested she contact me as I own several and we agreed to meet at the local indoor range and I would bring a couple for her to try. So, I thought why not kill two birds and bring the 4516 no dash to continue my "test" and give some compact 45 exposure to the shooter.
I also figured that if anyone can cause a compact 45 to misbehave it is a shooter new to shooting compact 45's.
The young lady showed up with 100 rounds of WWB. I had 50 rounds of Federal 230 ball to run through it. She ran a few mags through to familiarize herself with the gun. She shot it very well and liked it. Then she tried my 4513TSW V1. She didn't care as much for it due to the more substantial felt recoil. She shot more of a pattern with it whereas she was grouping pretty well with the 4516 ND.
Last gun she shot was the XDs45 range rental. She shot it better than my 4513TSW but not as well as the 4516 ND. She opined that it was a little too snappy for her although she did like the size. She then shot what was left of her ammo through the 4516 ND. She said she liked it best and inquired how much they cost and where to find one.
I advised her on a good price, the fact that they were out of production and sent her off to the auction boards.
After she left I ran 50 more rounds through my 4516. All told around 125 more flawless shots through it. No issues. Not one problem. Boring reliability. Good accuracy. Nice pistol.
As I cleaned it Saturday night I wondered whether I would even bother to continue my "test" of this pistol. I thought back to my first exposure to the 4516 no dash at that agency open range day. That was truly a random sample anyway you look at it.
It was random that I was there. It was random that there was a 4516 no dash confiscated by that agency and still in custody of same. The ammunition available was a mix of all kinds of factory fresh, filthy old rounds, roll your owns and everything in between. The gun was neglected/abused and filthy too. With no lube on it when I began shooting it. After a few hundred rounds I could detect the slide starting to "slow down" a bit and broke it down giving it a hosing with some Breakfree. The little 4516 no dash then went a few hundred more rounds that day. If you could stuff it in the one available mag, that little pistol ate it and shot it accurately. IIRC it was a little bit more accurate than the current example I own too. That event in and of itself was a very good test of that model pistol, IMO.
Anyways, I've already come to a few conclusions about the model 4516 no dash. After my personal experiences with the model, conversations with my friend Ken at the LGS (who was/is a S&W dealer) who knows more about them as he was selling them when they were still new and sent a few back to the factory, conversations with folks who built these and were there when they were made and member Catshooters experiences with several different examples of 4516 no dahs guns.
Here are my conclusions. Due to the way these guns were made, there was still a large amount of handfitting being done. The use of CNC machines was just beginning back then. Due to tolerance stacking some of these were not built to the same "standard" as other pistols of the same production run but built earlier in the day/week/month. Problems aften showed up in guns used by LE agencies. These agency guns, were they individual officer/agents guns or were they guns used for trianing seeing thousands more rounds per year than standard issue pistols? Dunno.
So I think that your odds of getting a 4516 no dash that functions 100% are very good.......better than good........excellent odds actually based on my experience and that of others.
Is there a problem or areas to watch for with these guns? Yes, the ejectors. I've read multiple reports on the net and in print of the early ejector tips breaking off due to stress fracture. Simply replacing it with the later ejector should eliminate that concern. Otherwise, just take the gun out and shoot it. Till you are content. Its a fun gun to shoot. Its not "too heavy" to carry either. It is also a good looking gun. S&W still made good looking guns with excellent triggers right out of the box back then.
So, theres my 0.02. I don't know if I'll continue to test this gun. I don't see much point in it as it is already apparent, to me, that there is no inherent reliability issue with this 4516 model gun. Besides, I want to shoot my 4566's and 645 more often than I currently am shooting them.

Regards 18DAI