The M&P 15 Sport 2 is a fantastic AR 15…
I consider it to be the best budget AR that’s currently on the market…
…because Smith And Wesson really put a lot of quality into the design, especially when you consider just how affordable it is.
But even though it’s an amazing gun, S&W had to find areas that would allow them to keep the price down…
And one of the obvious areas that decided to help trim the cost down is the factory handguard, which is just a cheap piece of plastic…
Because of that, I think it’s a great idea to consider upgrading the handguard on your M&P 15 Sport…
And if you’re looking for the best M&P 15 Sport 2 free float handguard that you can get, you’ve comes to the right place because I’m going to share with you 6 amazing options that you can use to upgrade your rifle…
M&P 15 Sport 2 Free Float Handguard – Top 6 List…
1. ATLAS S-ONE M-LOK Handguard (My Top Pick)
The Atlas S-One M-LOK Handguard by Aero Precision is my top pick if you’re looking for an M&P 15 Sport 2 handguard upgrade. I think it’s a fantastic handguard for many reasons. First of all, it has that reduced top rail section, which I think looks cool, but also reduces the overall weight of the rail and gives you both a more ergonomic and slimmer handguard to grip the gun…
You still have rail sections on top in the areas that most people will use, like at the front of the handguard for BUIS (back up iron sights), but Aero Precision eliminated the top rail in areas that you’re less likely to use. In addition to that, the Atlas S-One is an M-LOK rail which means you can attach M-LOK compatible accessories or M-LOK rails pretty much where ever you’d like to…
This gives you a lot of options for mounting lights, lasers, vertical foregrips, bipods, and other accessories as well. Another cool feature is the included QD sockets, which will give you options when mounting a sling to your rifle, and you can get the Atlas in an anodized black color or with a Magpul FDE Cerakote finish…
All in all, the Atlas S-One is packed with useful features, pretty affordable for a top-quality handguard, and it looks pretty freaking cool. Important Note: I recommend going with the 15″ handguard because it will cover most of your M&P 15 Sport’s 16″ barrel, but you could also make the 12.7″ handguard work if you prefer a shorter handguard.
Click The Button Below To Learn More About The ATLAS S-ONE M-LOK Handguard:
2. Bravo Company KMR Alpha Keymod Rail
Another amazing free float handguard that you can put on your M&P 15 Sport 2 is the Bravo Company KMR Alpha Keymod Rail. BCM (Bravo Manufacturing) is known for making some of the best AR 15s and AR accessories on the market, and the KMR Alpha rail has been setting the standard for a few years now…
I love it because it’s extremely lightweight without sacrificing strength. And it’s also incredibly slim, so it feels very comfortable in your hand when you’re shooting. It is a Keymod rail rather than M-LOK, which some people won’t like. But I personally like both mounting systems, and I don’t think that either one is ‘head and shoulders’ better than the other…
In fact, I actually find Keymod to be just a little bit easier to use when mounting accessories. And one of the cool things about this rail is that you get Keymod in the 3, 6, 9, and 12 o’clock positions…
So there’s virtually no area on the handguard that’s off-limits when it comes to mounting accessories like lights, lasers, vertical foregrips, hand stops, and more because you can put them all exactly where you want them…
So I love this rail because it gives you a ton of function while still keeping the weight down, and I also think it will make your Sport look really cool as well. Important Note: Once again, I recommend going with the 15″ handguard because it will cover most of your M&P 15 Sport’s 16″ barrel, but with the KMR rail you could also make the 13″ rail work if you prefer a shorter handguard.
Click The Button Below To Learn More About The Bravo Company KMR Alpha Keymod Rail:
3. Geissele Super Modular Rail MK8 (15in M-LOK)
Geissele is another manufacturer that is known for making absolute top-quality AR 15 accessories, and their 15″ Super Modular Rail (SMR) MK8 would be an amazing addition to your M&P 15 Sport…
This rail is both extremely lightweight and very strong, and it’s also slim which makes it more comfortable in your hand when you’re shooting. Unlike, the BCM KMR Keymod rail above, this rail is an M-LOK rail, and it features M-LOK in the 3, 6, and 9 o’clock positions, as well as the upper 45-degree quadrants…
So again, you can pretty much put your lights, lasers, hand stops, and other accessories anywhere you want to, and the lower 45-degree quadrants are designed to help vent out the heat from your barrel and handguard as well…
On top of all that, this rail looks incredible, and you can get it in an anodized black color or an FDE color. Last, I should also mention that this is a 15″ rail which I think is perfect for an M&P Sport, which has a 16″ barrel.
Click The Button Below To Learn More About The Geissele Super Modular Rail MK8 (15in M-LOK):
4. Daniel Defense MFR XS Rail
Did you know that Daniel Defense actually makes rails and handguards for the U.S. Military? So they can truly claim, at least on some of their products, that they make ‘Mil spec’ equipment. And all that really means is that their rails are super high quality and built to be tough, and that’s exactly the case with the Daniel Defense MFR XS Rail…
Once again on this list, we have a lightweight, rugged rail that looks incredibly cool. You can actually get the MFR XS rail in either a Keymod version or an M-LOK version, and you get those attachments on both sides and the bottom of the handguard. The top rail is uninterrupted, which could be important if you wanted to mount a laser and other accessories up there, and overall, the built quality on this handguard is amazing…
Just as I’ve been saying, I recommend you go with the 15″ version because your M&P 15 Sport 2 has a 16″ barrel, and that 15″ handguard will allow you to hold the rifle further out (for more leverage) and to rest your handguard (without touching the barrel) on barricades, tree branches, rocks, walls, or whatever else you need to to get more stability when you’re shooting.
Click The Button Below To Learn More About The Daniel Defense MFR XS Rail:
5. ATLAS R-ONE M-LOK Handguard
The Atlas R-One M-LOK handguard by Aero Precision is very similar to its brother that I mentioned earlier on this list, the Atlas S-One. It’s a very sturdy and well-built rail, and at the same time, it’s designed to be lightweight…
It’s also very ergonomic to grasp, and it does a great job at protecting your hand from the heat of the barrel when you’re shooting multiple magazines through your M&P 15 Sport. It also has integrated QD sockets giving you a lot of sling mounting options…
And the M-LOK attachments can be found on both sides of the rail and on the bottom. The main difference from the Atlas S-One (as you can see) is that the Atlas R-One has an uninterrupted Picatinny rail going across that top…
This might be an important feature to you if, for example, you wanted to mount a pressure pad for your weapon light or a laser on the top rail. And there are a number of other accessories that you might want to mount on the top rail as well…
So if that’s the case for you and you like the Atlas S-One but wish the rail on top went all across the top, the Atlas R-One is for you. And just as I’ve said before, I recommend going with the 15″ version of this rail because it’ll fit perfectly with your M&P 15 Sport’s 16″ barrel.
Click The Button Below To Learn More About The ATLAS R-ONE M-LOK Handguard:
6. Daniel Defense DD M4 Rail
Ok, I’ve already told you how Daniel Defense makes super rugged and extremely high-quality rails, and the Daniel Defense DD M4 Rail is, at this point, an absolute classic. As you can see, it is a quad rail, and it’s the only one on this list because quad rails can be extremely heavy and bulky in the hand…
That’s not the case for this rail though because even though it is going to be a little heavier than the other rails on this list, Daniel Defense did a great job of trimming weight wherever they could on this design…
On top of that, DD quad rails are known for being ergonomic and slim in the hand, and even though Keymod and M-LOK rails are very secure, neither will ever be as strong as an old-school quad rail…
So if you’re interested in the best quad rail for your M&P 15 Sport 2, I recommend you take a closer look at the DD M4 rail. And just as I’ve said throughout this entire post, I suggest that you go with the 15-inch version because it’ll pair best with your Sport.
Click The Button Below To Learn More About The Daniel Defense DD M4 Rail: