6 Best Red Dot Sights For Smith Wesson M&P 15 Sport 2

The Smith Wesson M&P 15 Sport 2 is a popular rifle. Here are 6 best red dot sights for Smith Wesson M&P 15 Sport 2 based on weight, accuracy, lens clarity, reticle type, build quality, durability and cost.

Remember, the most crucial aspect is choosing what works best for you and your current budget, not solely relying on biased recommendations without a use purpose. We aim to educate and equip you with the necessary knowledge to make an informed choice. While we can't test every optic on the market, we regularly update our articles as time goes on.

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Holosun 515GM - Best Overall

The Holosun 515GM red dot sight is as tough as Aimpoint products. It's built to last and can handle rough conditions.

This sight, especially for the M&P 15 Sport 2, is great against water, dust, and other things from nature. It usually has an IPX7 or IP67 rating, which means it can be underwater for a while and still work. So, users can trust it in rain or very wet places.

One cool thing about the Holosun 515GM is how long its battery lasts. Many Holosun sights have batteries that last a long time, even longer than other brands. This means users don't have to change batteries often, and the sight is always ready when needed.

Specs

• Magnification - 1X
• Reticle - 2 MOA + 65 MOA Ring
• Adjustment - 0.5 MOA / Click
• Brightness Settings - 10 Days & 2 Night settings
• Battery Life - 50,000 hrs
• Construction - 7075 T6
• Eye Relief - Unlimited
• Submersion - IPX8
• Body Dimension - 2.73" X 1.53" X 1.61"
• Window Size - 1 X 22mm
• Weight - 3.74 oz without mount

Holosun AEMS - Best Compact Size

The Holosun AEMS is a new, small red dot sight from Holosun. It's made of strong 7075 Aluminum and has a system that lets you choose between different reticles. It can run for 50,000 hours on one battery and is light, weighing only 3.9 ounces.

You can pick from three reticle styles: a single small red dot, a dot inside a big circle, or just the big circle. If you want a taller mount, the scalarworks optic mount is the top choice for the AEMS. The sight uses a common CR2032 battery, but it can also use sunlight to work. Plus, it has a cool feature called Shake Awake. This turns the sight on when it feels movement.

Specs

• Magnification - 1X
• Reticle - 2 MOA + 65 MOA Ring
• Adjustment - 0.5 MOA / Click
• Brightness Settings - 8 Days & 4 Night settings
• Battery Life - 50,000 hrs
• Construction - 7075 T6
• Eye Relief - Unlimited
• Submersion - IPX8
• Body Dimension - 2.2" X 1.54" X 1.7"
• Window Size - 1.1" X 0.87"
• Weight - 3.9 oz 

Aimpoint Micro T2 - Best Durability

The Aimpoint Micro red dot sight is the best for tough shooting because of its strong and weatherproof design. The optic is made from strong 7075 T6 aluminum and a hard surface, it can handle bad weather and strong forces. It's highly recommended for the Smith Wesson M&P 15 Sport 2 if you have the funds for it.

Even though the Aimpoint Micro red dot sight costs more than $780, this is a buy once cry once type of red dot sight. You can use it on other guns when you graduate from the M&P15 Sport 2.

The red dot sight lasts a long time and can handle rough use, saving money in the long run. It works well in rain, mud, and even underwater because of its sealed design and IPX7 rating. The sight helps shooters aim better because of its clear optics and different light settings. It stays in place even with fast shooting or strong forces, so shooters can always hit their target.

Specs

• Magnification - 1X
• Reticle - 2 MOA (most popular)
• Adjustment - 0.5 MOA / Click
• Brightness Settings - 12 settings
• Battery Life - 50,000 hrs
• Construction - 7075 T6
• Eye Relief - Unlimited
• Submersion - IP7
• Body Dimension -3.1" X 1.8" X 1.9"
• Window Size - 1.26" X 0.91"
• Weight - 3.3 oz without mount

Holosun 510C - Best Open Emitter

The HoloSun Open Reflex optic is one of the best large window open reflex optic for the M&P 15 Sport 2, offering fast target acquisition with its large CQB 65 MOA reticle circle, perfect for precise close-range shooting. Its unique outer profile gives it a slick look, making it an excellent choice for fast action shooting with pistol caliber carbine and rifle setups.

One of its standout features is the near-infinite battery life, thanks to the solar failsafe technology. This feature ensures you stay in the fight longer without the need to change the battery. It also offers a multi-reticle system, allowing you to cycle through four different reticles at the push of a button, without needing to re-zero.

Additional advantages include an extra lens hood for protection against direct drop impact, and a quick detach mount for easy field adjustments. However, it's worth noting that the open emitter may attract dirt and debris, and there's no mount riser adapter if a taller height is needed. Despite these minor drawbacks, the Holosun Open Reflex optic remains a top red dot choice for Smith Wesson M&P 12 Sport 2 users seeking a reliable, high-performance optic for plinking and competition use.

Specs

• Magnification - 1X
• Reticle - 2 MOA + 65 MOA Ring
• Adjustment - 0.5 MOA / Click
• Brightness Settings - 10 Daylight & 2 Night vision
• Battery Life - 50,000 hrs / 20,000 hrs circle dot
• Construction - Titanium hood
• Eye Relief - Unlimited
• Submersion - IP67
• Body Dimension -3.3" X 1.68" X 1.78"
• Window Size - 1.26" X 0.91"
• Weight - 4.94 oz

Trijicon MRO - Best Field Of View

The Trijicon MRO (Miniature Rifle Optic) offers a significant pricing advantage compared to the Aimpoint Micro. It's built with robust 7075 T6 aluminum construction just like the Aimpoint Micro to go on the M&P 15 Sport 2, however, what makes it stand out is the unique tapered field of view (FOV) design that eliminates the tube effect, which makes the field of view much larger. In addition, the top turret design clears up field of view on the left and right of the optic.

If you're looking for a reliable, high-performance red dot sight for your M&P 15  like the Aimpoint Micro, the Trijicon MRO is a fantastic option to consider.

Specs

• Magnification - 1X
• Reticle - 2 MOA
• Adjustment - 0.5 MOA / Click
• Brightness Settings - 8 Days
• Battery Life - 50,000 hrs
• Construction - 7075 T6
• Eye Relief - Unlimited
• Submersion - IPX8
• Body Dimension - 2.6" X 1.7" X 2"
• Window Size - 1X25
• Weight - 4.1 oz without mount

Sig Sauer ROMEO 5 - Best For The Money

The Sig Sauer ROMEO 5 is an excellent choice for those who have upgraded their M&P 15 Sport 2 and are looking for an affordable red dot sight. It's easy on the wallet and features the MOTAC system, which only turns on when you move it, saving battery life. The sight has a sharp 2 MOA red dot and 10 settings for brightness, including ones for night vision. It's also lightweight at 5.1 ounces and fits with Aimpoint Micro mounts. Plus, it's built to handle wet conditions and won't get foggy.

What's impressive about the MOTAC system is its ability to keep the battery going for up to 40,000 hours. It powers down when you're not using it and instantly turns on with any motion, so it's always ready.

The sight includes a low mount, but if you prefer, you can pair it with other Aimpoint Micro mounts, giving you options for your M&P 15 Sport 2 setup.

Specs

• Magnification - 1X
• Reticle - 2 MOA Dot
• Adjustment - 0.5 MOA / Click
• Mount Footprint - Aimpoint Micro
• Brightness - 8 DL&2 NV (Features MOTAC motion-activated illumination )
• Battery Life - CR2032, 40000 hours with motion activation
• Construction - 6061 T6 housing + Anodized
• Submersion - IPX7
• Body Dimension - 62.7mm X 38.1mm X 38.6mm
• Window Size - 1X20mm
• Weight - 5.1 oz