Smith & Wesson M&P 15 Sport III Rifle Semi-Automatic 5.56x45 NATO 16" Barrel 30+1 Rounds

Name: Smith & Wesson M&P 15 Sport III Rifle Semi-Automatic 5.56x45 NATO 16" Barrel 30+1 Rounds
Brand: Smith & Wesson
SKU: WX2*0748421
Price: 729.99 USD
Availability: InStock

Overview

Built around a 16-inch barrel and chambered in 5.56x45 NATO, this rifle is suited to shooters who want a practical semi-automatic platform for range time, training, or general-purpose use. The 15-inch free-floating M-LOK handguard gives room for accessory setup, while the mid-length gas system is intended to help soften recoil impulse. It also includes a 30+1 capacity and a forged, integral trigger guard, with details such as a chromed firing pin and 1:8 twist 5R rifled barrel rounding out the package.

Why Hunters Choose the Smith & Wesson

Chambered 5.56x45

30+1-round capacity for versatile use

16-inch Barrel

Armornite finish for a clean,

15-inch Free-floating

M-LOK handguard supports accessory mounting

Mid-length Gas

System is listed for reduced

1:8 Twist

5R rifled barrel is specified

Key Features

Smith & Wesson M&P 15 Sport III semi-automatic rifle chambered in 5.56x45 NATO.
16-inch barrel with Armornite finish.
15-inch free-floating M-LOK handguard for accessory mounting.
Mid-length gas system designed for reduced recoil.
1:8 twist 5R rifled barrel.
Forged, integral trigger guard and chromed firing pin.

Best Used For

Recreational shooters wanting a versatile 5.56 rifle with accessory-ready M-LOK setup
Hunters needing a compact semi-automatic rifle for general field and range use
Users who prefer a mid-length gas system for reduced recoil in follow-up shots
Shooters building a customizable carbine around a 16-inch barrel platform
Those wanting a 30+1 capacity rifle for training, practice, and defensive roles

Specifications

Action	Semi-Automatic
Barrel Finish	Armornite finish
Barrel Length	16"
Caliber	5.56x45 NATO
Capacity	30+1 rounds
Firing Pin	Chromed firing pin
Gas System	Mid-length gas system
Handguard	15" free-floating M-LOK handguard
Rifling	5R rifled barrel
Trigger Guard	Forged, integral trigger guard
Twist Rate	1:8 twist

Pros

Chambered in 5.56x45 NATO with 30+1-round capacity for versatile use
16-inch barrel with Armornite finish for a clean, durable exterior
15-inch free-floating M-LOK handguard supports accessory mounting flexibility
Mid-length gas system is listed for reduced recoil
1:8 twist 5R rifled barrel is specified for improved accuracy
Forged integral trigger guard and chromed firing pin add practical reliability features

Considerations & Trade-offs

Chambered in 5.56x45 NATO, so ammunition selection should be matched to the rifle’s chambering and intended use.
The 16" barrel and 30+1 capacity make it a full-size semiautomatic rifle, which may be less compact than shorter or lower-capacity options for some field carry needs.
The 15" free-floating M-LOK handguard supports accessory mounting, but it also means setup depends on the accessories you choose to add.
The mid-length gas system is described as reducing recoil, but that benefit is part of the rifle’s setup rather than a substitute for proper fit and range practice.

Suggested Comparisons

AR-15 style semi-automatic rifle
5.56x45 NATO chambered rifle
16-inch barrel rifle
M-LOK handguard rifle

Suggested Accessories

Rifle sling
Optic mount
Magazine pouch
Cleaning kit

Frequently Asked Questions

What caliber does the M&P 15 Sport III use?

It is chambered in 5.56x45 NATO.

What is the magazine capacity?

The listed capacity is 30+1 rounds.

What barrel and handguard setup does it have?

It features a 16" barrel with an Armornite finish and a 15" free-floating M-LOK handguard.

Does it use a mid-length gas system?

Yes. The product listing specifies a mid-length gas system.

What other listed features are included?

The provided specifications also list a 1:8 twist 5R rifled barrel, a forged integral trigger guard, and a chromed firing pin.