Called Smith and Wesson.. They don't make an AMBI safety for the rifle. Anyone know of one that fits really well and is mil-spec?

Tried one from Palmetto State Armory. Quality piece but it hangs over too much for my liking..

I don't think any ambi-safety can be describe as "mil-spec". That said I know what you mean about the overhang, it gets in the way of your trigger finger if you're a right handed shooter with a full sized selector on the right, the solution is to use a short selector on the trigger finger side. I have a Battle Arms Development Ambi Safety Selector (BAD-*** hohoho) and the fit and finish are exemplary, and with the short lever it isn't annoyingly in the way, but it's not cheap.

BAD-CASS-SA Combat Ambi Safety Selector AR15 / AR10(R) | Battle Arms Development

The other option which I did on my beater rifle is to get a budget full length ambi selector and cut one lever in half with a dremel

what makes the M&P-15 series so different from other AR-15s that a generic ambi safety selector switch wouldn't work? This is what I'm planning to install on my M&P-15T as soon as I take possession of it.

Geno

The generic ambi switch will work on any mil spec AR. The problem is for most right handed folks the right side switch is long enough that it touches your trigger finger in the fire position. For some they don't like feeling the safety switch and others don't mind. Totally personal preference.

I'm squarely in the "don't like it" category. It's way bothersome to me. All my rifles are single sided safety only just for this reason....well that plus I have no need for an ambi being right handed.

__________________
Still carrying my S&W 642

Yea but aren't you getting the ambient safety because you're a lefty?



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I see your point but not necessarily the only reason for an ambi safety. There could be a situation where a right hander shooting lefty would be an advantage. Think shooting from the left side of a barrier. Doing this right handed would leave much more of your body exposed. Switching over to lefty would be preferred.

I can and do shoot both ways during range time and although I'm better right handed the practice has definitely improved my left handed shooting. Not that any of this will ever be needed but in the unlikely event that it does I'll be a little more prepared.

I am a leftie, so I need the ambidextrous safety selector. Maybe I should make a LH safety switch just to piss of all the right-handed people-lol. I guess I've gotten used to all of the LH discrimination in the world growing up- I just make things work for me. Dropping in an ambi safety switch isn't that big a deal for me- and if any righties don't like it, they can buy their own damn rifle.

Geno

If you go directly to their website, Battle Arms Development, the BAD ambi selector has a choice of levers. I went with the Standard on the left, and a Short on the right, but you can also get a Thin or Short & Thin if a standard thickness lever is going to bother you. (And other choices.) This has worked fine on my M&P15 OR, and I'm able to let right-handed shooters use it safely.

A fellow lefty here. Another option is a Colt selector which you can order from Brownells. They are machined with slots for the selector detents on both sides allowing for installation on either side of the rifle. Being a single side selector you don't have to deal with one side rubbing your trigger finger. Another benefit with these is that if you decide to sell the rifle, it is a simple process to swap it back to right hand configuration.

I've purchased and used several. Part number is 160-308-145 and current cost is 18.99.

Stag Arms also sells a single side left hand selector; however it is a dedicated left hand only. If you do decide to go with an ambi selector, the BAD selector is an excellent choice.