Smith & Wesson M&P 15 Sport II 5.56mm Rifle with Magpul MBUS Rear Sight
Whether you are stepping into the AR-15 world for the first time or adding a dependable workhorse to your home defense setup, you deserve a firearm built on a foundation of absolute reliability. The smith & wesson m&p 15 sport ii stands as the undisputed champion of modern sporting rifles. Engineered to perform flawlessly under the most demanding conditions, this rifle combines professional-grade components with a lightweight, agile platform that is a pure joy to shoot.
Built to exceed military specifications, the smith & wesson m&p 15 sport ii fires both 5.56x45mm NATO and .223 Remington ammunition with relentless precision. From its rugged aluminum receivers to the factory-installed Magpul MBUS rear sight, every single square inch of this rifle is optimized for maximum versatility. For a dependable, multi-purpose rifle that handles everything from competitive target shooting to critical property defense, this rifle delivers a sensational operational experience.
Technical Specifications
| Rifle Component | Factory Specification |
| Caliber / Chamber | 5.56mm NATO / .223 Remington |
| Barrel Length | 16 inches |
| Barrel Twist Rate | 1 in 9″ Twist |
| Overall Length | 35.0 inches (Extended) / 32.0 inches (Collapsed) |
| Weight (Unloaded) | 6.5 lbs (2,948.4 g) |
| Magazine Capacity | 30 Rounds (Standard PMAG) |
| Gas System | Carbine-Length Direct Impingement |
| Receiver Material | 7075-T6 Forged Aluminum |
Core Performance Features of the Sport II Platform
Match-Grade Armornite Lined Barrel
Accuracy and longevity start right in the bore. The smith & wesson m&p 15 sport ii features a 16-inch 4140 chrome-moly steel barrel with a versatile 1:9″ twist rate, making it highly accurate with a wide variety of standard commercial ammunition weights. To combat the extreme heat and friction of rapid fire, both the interior bore and exterior surfaces are treated with S&W’s proprietary Armornite finish. This specialized black nitride process creates a hardened surface barrier that provides elite corrosion protection and extends the overall life of your barrel.
Mil-Spec Forged Receivers
Cheap plastic or weak cast receivers have no place on a serious defensive rifle. This creates an incredibly rigid chassis that easily withstands severe impacts, harsh weather, and rigorous field use. The flat-top upper receiver includes an integrated Picatinny rail, providing a rock-solid platform for mounting heavy duty optics, red dots, or the included premium iron sights.
Tactical Duty Components Out of the Box
Unlike stripped-down entry rifles that skip critical safety and cycling features, the Sport II comes completely equipped for immediate action. It retains the traditional dust cover to seal out dirt, mud, and debris from the internal bolt carrier group, along with a functional forward assist button to ensure positive chambering in dirty environments. The rifle also includes a standard A2 flash suppressor to minimize your visual signature in low-light tactical environments.
Superior Ergonomics and Modular Control
Adjustable Magpul MBUS Sight System
Achieve a perfect zero instantly. Out of the box, this rifle is equipped with an adjustable A2 post front sight alongside a folding Magpul MBUS rear sight. This heavy-duty polymer rear sight flips up rapidly with dual-peep apertures for precise long-range aiming and folds flat out of the way when you decide to install a red dot or magnified variable optic.
6-Position Telescoping Stock
Whether you are wearing thick winter layers, tactical body armor, or sharing the rifle with smaller-statured shooters at the shooting range, comfort is critical. The adjustable 6-position carbine buttstock allows you to adjust the rifle’s length of pull instantly to suit any shooter or shooting position perfectly.
What’s Included in the Box?
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Smith & Wesson M&P 15 Sport II Rifle
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1x 30-Round Magpul PMAG (Lightweight, heavy-duty polymer construction)
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Factory Installed Magpul MBUS Flip-Up Rear Sight
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Heavy-Duty Cable Gun Lock
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Comprehensive Field Guide and Owner’s Safety Manual
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Yes |
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Shipping Weight
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9.050 Pounds |





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