1. Firearms
  3. Semi-Auto Rifles
  5. AR-15 Rifles

Smith & Wesson 5.56 mm AR-15 Rifles For Sale

Smith & Wesson's AR-15 model merges the reliability and quality Smith & Wesson is known for with the versatility of the AR platform. The result? A truly excellent firearm with tons of customization potential. With several caliber options ranging from the lightweight .22LR to the tactical 5.56 NATO, you can choose the caliber that's best for your needs. Shop the collection of S&W M&P15 rifles today at Sportsman's Outdoor Superstore.

MP SPORT 3 5.56 BLACK 16 IN BBL 30 RD MAG

Smith & Wesson M&P15 Sport III 5.56mm Rifle with Full-Length M-LOK Handguard and Forged Trigger

  • $799.00 $699.00
In Stock
MP15 5.56 SPORT III MLOCK 16IN FM GREY

Smith & Wesson M&P15 Sport III 5.56 NATO Semi-Auto Rifle with Tungsten Gray Cerakote Finish

  • $829.00 $819.99
In Stock
MP-15 5.56 CARBINE

Smith & Wesson M&P-15 5.56mm Semi-Auto Carbine Rifle

  • $1,249.00 $999.99
MP-15 OPTICS READY 5.56 RIFLE

Smith & Wesson M&P-15 5.56mm Semi-Auto Optic Ready Rifle

  • $1,069.00 $879.99
MP15-X 5.56 WITH SHORT QUAD/BATTLE SIGHT

Smith & Wesson M&P15-X 5.56mm Semi-Auto Rifle with Short Quad and Battle Sight

  • $1,379.99 $1,089.99
MP-15 TACTICAL 5.56 RIFLE

Smith & Wesson M&P-15 Tactical 5.56mm Semi-Auto Rifle

  • $1,159.00 $869.99
MP-15 SPORT 5.56 RIFLE

Smith & Wesson M&P-15 Sport 5.56mm Semi-Auto Rifle

  • $739.00 $669.99
SMITH AND WESSON MP15 5.56 (NEW IN BOX) TRADE

Smith & Wesson M&P15 5.56mm Police Trade-In Rifles with Flip-Up Sights (New In Box)

  • $899.99
MP-15 MOE MID MAGPUL SERIES 5.56 FDE

Smith & Wesson M&P-15 5.56mm MOE Mid Magpul Series Semi-Auto FDE Rifle

  • $1,259.00 $983.62
MP-15 MOE MID MAGPUL SERIES 5.56 RIFLE

Smith & Wesson M&P-15 5.56mm MOE Mid Magpul Series Semi-Auto Rifle

  • $1,259.00 $983.62
MP-15 VTAC II VIKING TACTICS 5.56 RIFLE

Smith & Wesson M&P-15 5.56mm VTAC II Viking Tactics Semi-Auto Rifle

  • $1,949.00 $1,479.00
MP-15 ORC 5.56 CARBINE

Smith & Wesson M&P-15 ORC 5.56mm Semi-Auto Carbine Rifle

  • $989.99
MP-15 SPORT 5.56 CALIFORNIA COMPLIANT

Smith & Wesson M&P-15 Sport 5.56mm Semi-Auto Rifle (California Compliant)

  • $839.00 $699.99
MP-15 SPORT 5.56 (MA NJ CO COMPLIANT)

Smith & Wesson M&P-15 Sport 5.56mm Semi-Auto Rifle (MA NJ CO Compliant)

  • $839.00 $669.99
MP-15 TACTICAL 5.56 CALIFORNIA COMPLIANT

Smith & Wesson M&P-15 5.56mm Tactical Semi-Auto Rifle (California Compliant)

  • $1,159.00 $939.99
MP15 SPORT II 5.56 RIFLE

Smith & Wesson M&P15 Sport II 5.56mm Rifle with Dust Cover and Forward Assist

  • $812.00 $749.99
MP15 SPORT II 5.56 RIFLE

Smith & Wesson M&P15 Sport II New 5.56mm Rifle with Dust Cover and Forward Assist

  • $839.00 $716.00
MP15 SPORT II 5.56MM NJ COMPLIANT

Smith & Wesson M&P15 Sport II 5.56mm New Jersey Compliant

  • $812.00 $729.99
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M&P15: The Gun That's Made For You

The M&P15 is more than just another AR-15 rifle. M&P stands for "Military & Police," an homage to their century-old .38 Military & Police revolver. While that revolver has since been renamed to the Model 10, its legacy of quality needed by armed forces and law enforcement lives on in firearms like the Smith & Wesson M&P15. Whether you're someone looking for an AR-style rifle for their profession or something effective for home defense, a Smith & Wesson AR-15 will get the job done.

Looking for something other than a customizable semi-auto rifle? Explore our collection of guns for sale, ranging from semi-auto handguns to over/under shotguns, and find the right weapon for you today.

Shop Firearms at Competitive Prices

Since 2007, Sportsman's Outdoor Superstore has had one simple mission: to be a reliable gun shop that offers in-stock firearms at great prices. With hundreds of positive reviews from satisfied customers, it's safe to say we're succeeding.

To ensure customers can get firearms like our Smith & Wesson M&P15s when they're needed, we don't do backorders. Any gun that is listed for sale is in stock; we don't take your money if it isn't. We provide nationwide shipping, so no matter where you are, you'll be able to order one of our guns. If you're in the lower 48, that shipping is free.

Have questions? Our in-house customer service is always available. Reach out anytime!

Frequently Asked Questions

Is the Smith and Wesson M&P15 a good gun?

Yes, but different variants are suitable for different use cases. The M&P15-22, for example, is excellent for plinking, practicing, and maybe varmint hunting. However, the rounds are just too small to be effective for home defense or big game hunting. On the other hand, a M&P15 Sport III chambered for 5.56 NATO is very effective for hunting and self-defense, but would be overkill for anything a .22LR firearm would be used for.

How many rounds does a Smith & Wesson AR-15 hold?

It depends. The Standard models come with either 10- or 30-round magazines. The Compliant models, which are designed to comply with California firearm restrictions, come with only 10-round magazines.

Can you ship my Smith & Wesson M&P15 directly to my home?

Because you are not a licensed firearm dealer, we have to send your order to a local FFL dealer instead. Once it's arrived, you will need to pick it up from them. Be sure to ask permission from the dealer to send your firearm to them before ordering, or the package may be returned to us.

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