Just a question, my 40c did not come with the slide saftey but it does seem to have the hole for it. Is it possible to order the parts from somewhere and actually add it onto it? Would a Gunsmith need to do this or is it something simple to do.

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Excuse my ignorance, but what is a slide safety?

-T

From what I've seen it should be no problem to install by yourself. Check out YouTube for "removing manual safety for m&p" and do things in reverse order
UPDATE: quick search on youtube yielded following result

I believe in my ignorance I was meaning a Thumb Saftey...

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Removing/adding the safety is a simple 10 min procedure that can be done with the take down tool. If it's got the cutout in the frame for a safety I suspect it originally had one. You should be able to order the safety from S&W. I watched a YouTube video to remove mine.

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Why do you think you need to add a thumb safety?

Not sure if it's a need...just want one...just one of those things...

Unfortunately, after looking at Atulip's pics it looks like to do not have the right set up for one so no go for me but not a big deal.

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You anti thumb safety folks are turning into soup nazis. if we like a thumb safety it shouldnt hurt your feelings. It is ok with us if you dont.

No soup for you!!!

I don't think they are anti thumb safety, they are simply asking why a person is looking for a solution to a non existent problem, It's a safe action pistol the same mechanisim as a glock, safties aren't necessary!
In a heated situation it's just one more item you don't have to fiddle with! If it makes you feel safer when your carrying then have at it!

Everyone has different preferences, but I do not like thumb safeties because in a heated situation, I (or my wife/kids) may mistakenly engage the thumb safety. Then what!!

They are not for everyone.

Just preference. My hands are small so it's awkward to disengage the safety. The safety kept disengaging in the holster anyway so it wasn't serving much purpose.

If thumb safeties were not called for then John Browning would not have designed them and Jeff Cooper would not have used them> Massad Ayoob would not recommend them for Cops. I know several people Cops and civilians { Personally}who have a AD when reholstering. most with glocks.
Stop Accidental Discharges - Article - POLICE Magazine

But since you guys are all so much smarter than most cops and others that carry it could never happen to you..
If you are so concerned that you will forget to take off the safety under stress I hope you dont forget to keep your finger out of the trigger and shoot yourself or a innocent one..
I prefer a round chambered and thumb safety on

most of this I write tongue in cheek you guess which...

So what are the numbers? There are a great number of non thumb safety polymer fame semi autos in use today. Are there more ND's compared those autos equipped with TS's? I'm sure the data is out there somewhere.

Odd to have an AD while holstering. ND sounds more like it. Not everyone is under the same stress as cops. My gun only leaves the holster for firing.

I'm not arguing against manual safeties, just arguing they're not for everyone or every gun. Yes, 1911+safety I love. That 4# trigger with no pre-travel feels like it needs something extra. My EDC M&P with tons of travel, 6# pull, I don't feel the need. If I were unholstering/reholstering frequently, an added safety might feel necessary to give a little extra piece of mind. To each their own.

Glad to see that it can be removed. I was thinking about getting an M&P with a slide safety then removing it. It's not more expensive to get one and I could always put it back on if I wanted it. Do the ones that don't come with it from the factory have a plug or something for the hole?

While I said I would remove it if it was one there, I'm conflicted because the use and practice with a slide safety is good routine to get into. What happens when I want to start carrying a gun such as a 1911? Then my practice drawing the weapon would include another step that I'm not used to. I think with a little practice, using the thumb saftey would be 2nd nature.

I understand the trigger pull argument, a lighter trigger may need something extra, and I agree with you. But then the little guy on my shoulder whispers in my ear, Does it mattter how heavy the trigger is? Would you have your finger on the trigger and the safety on? Isn't that the purpose of the trigger safety itself?

And around and around the arguments go in my head.

I don't care what kind of pistol you give a cop or a civilian there is always the possibility of an AD! If you want to quote Jeff Cooper don't forget this Quote"Safety is something that happens between your ears,not something you hold in your hand". Comparing a pistol designed by John M Browning to one designed by say Gaston Glock is like comparing Rosie Odonell to Taylor Swift! Don't get me wrong here I have 2 1911's and was trained on that platform for 21 years in the military and they are fantastic guns, But the design of the M&P,Glocks Etc do not need a safety the mere fact that Smith& Wesson is making some M&P's with them is basically to prevent litigation in some states that require them. As to comments regarding AD's by police officers, I think you will always have them irregardless of someones level of intelligence, a good example of that is look up a New York Trigger for Glocks! The city of New York couldn't figure out how to train their officers that had revolvers for years to transition to Glocks so they now have a New York Trigger that works like a revolver trigger. The quote in my earlier post was also from Jeff Cooper and I belive the quote was used in reference to safties on safe action pistols!

Well I'm glad you realize that!

No safety here. In fact I took off the mag safety on one of my M&P's.

I also have run with scissors.

safety scissors I am sure...

No doubt,they were made for the California market but could easily be adapted to the Massechusetts,or New Jersey market but expressly forbidden in Illonois!! LOLROTF! I',m pretty sure I screwed up the spelling on at least 2 of those states!

Not California. The M&P 9 and M&P 40 with the thumb safety are not approved for sale by the California DOJ, although for some reason, the .45 version of the M&P is.

I was referring to the safety scissors!!

Vstromrider, please do not take this as an insult.

I'm a 2nd generation cop. Most cops are freaking idiots when it comes to handling a firearm. Most only shot when they qualify and that's it. Making cops qualify is like taking a small child to the dentist to have a tooth pulled.

If officers followed proper firearm safety and handling (ie keep your frakking finger off the trigger and outside of the trigger guard) then these negligent discharges would occur.

I've been carrying a GLOCK in one form or another since I was 19 years old. Never had a negligent discharge while carrying one and neither have I had one with my SW99, M&P .45, Kel-Tec P32, LW Seecamp, and other firearms without manual safeties.

Massad Ayoob (whom I have taken many a course under and know him personally) even says that if you want to win a gun fight... start one with a cop.

Manual safeties are from an older era in design. The GLOCK, M&P, XD/XDM, Walther PPS, SW99/P99/PPQ, Steyr M Series, etc... are 110% safe to carry with a round in the chamber. They have built in safeties that are disabled with the pull of the trigger. To prevent a negligent discharge one must follow the proper rules of firearm safety.

1. Always treat a firearm as if it's loaded.
2. Never point the firearm at something you do not want to destroy.
3. Always keep your finger off the trigger until you are ready to shoot.
4. Know what behind your target.

As for negligent discharge while holstering... Once again keep your finger off the trigger until you are ready to fire. Also if you are holstering your firearm make sure that your holster is not damaged or worn in a way that something could get caught in the trigger guard and activate the trigger.

If you have a beat up old ratty holster and it flops; part of it might catch the trigger due it 's worn our ratty condition.

I own firearms with manual safeties. My Beretta 92s, S&W 59, S&W 4006TSW, S&W 4506,Walther P38, Makarov, Walther PP/PPK, Ruger P345, etc... all have manual safeties that also work as a decocker. Proper holstering and carrying of the firearm is to decock it by engaging the safety (do not ride the hammer down softly by pulling the trigger) and once decocked disengage the safety and holster the weapon.

For weapons like my 1911s and Hi-Powers, they are meant to be carried cocked and locked due to it being a single action design.

If you don't following proper safety and procedure with your weapon you will have negligent discharges. If you don't know how to properly carry the weapon then get training.

The manual safety started with the M&P .45 and that was developed for the Joint Combat Pistol trails to replace the Beretta 92FS. The trails were canceled and the pistols were sold on the civilian market.The manual safety was later added to the 9mm/.40S&W frame line.

The FNP-45 USG was also a result of the Joint Combat Pistol trails as was the Springfield Armory XD .45 with manual safety.

The Joint Combat Pistol trails had a request that all submitted pistols have a manual safety.

You guys are wound to tight, I WAS REFERRING TO SAFETY SCISSORS IN MY LAST POST NOT TO SAFETIES!
You know California compliant safety scissors, everything else in that goofy state has to comply with some *****enime govt.agency! hope you get it this time.

I am fine with those that do not wish to a have a thumb safety. I do understand how the safe triggers work. Also I wore a badge for 4 years as a Az state corrections babysittter. 3 of those on the TSU. My Dad is a retired Cop and I have friends that are cops. and your are correct, most do not even like to shoot. I like a safety for many reasons.The main 2 are for when I need to unholster or reholster my weapon..

The TSA does NOT consider safety scissors to be safe enough, at least in some places. My itty bitty paper scissors made for grade schoolers were confiscated.

But how did we get onto this topic? Shouldn't this be taken up on one of the many scissor forums?

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Nearly Normal Mike, NRA Lifer

To answer the original question....the thumb safety can not be added to an M&P that did not come with one. The sear block is different and cannot be purchased as a replacement part from S&W, that would change the SKU number of the gun and their lawyers won't allow it. We do sell the safety levers but not the manual safety sear blocks, Welcome to Speed Shooter Specialties

How are scissors made Ca or ma compliant. the blades are dulled to prevent accidental skin cuts... after each cut you have to reset the handles...