Rifle | Semi-AutomaticRugerSold by Sportsmans Guide

Ruger

Ruger Harrier 5.56 NATO A2 AR-15 16.1" Barrel M-LOK 30+1 Rounds

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

5.56 Nato

AR-15 platform with 30+1 capacity

16.1-inch Government

Profile barrel with nitride finish

Free-float Slim

Picatinny rail sections and Magpul

Qd Sling

Sockets on both sides of

Carbine-length Gas

System for the Harrier's operating

$649.99
View on Sportsmans Guide

You'll be taken to Sportsmans Guide to complete your purchase.

Hunter's Outpost earns a commission from affiliate links at no extra cost to you.

SKU: WX2*0749581

Overview

Built on a mil-spec AR-15 platform, this rifle is set up for shooters who want a practical, configurable carbine for the range or field use. Its slim free-float handguard, M-LOK slots, partial Picatinny rail sections, and QD sling sockets provide flexible mounting options without unnecessary bulk. The 16.1" government-profile barrel, carbine-length gas system, and 5.56 NATO chambering give it a straightforward setup, while the included A2 flash hider and collapsible stock keep the package familiar and adaptable. It also includes features such as a forward assist, dust cover, brass deflector, and a tension screw for a tighter receiver fit.

Why Hunters Choose the Ruger

Enhanced Ergonomics

From the slim profile free-float

Flexible Accessory

Picatinny sections and Magpul M-LOK

Qd Sling

Sockets on both sides support

Mil-spec 7075

Type III hard coat anodizing

Carbine-length Gas

System and nitrided bolt carrier

Key Features

  • 5.56 NATO AR-15 platform with 30+1 capacity.
  • 16.1-inch government profile barrel with nitride finish.
  • Free-float slim handguard with Picatinny rail sections and Magpul M-LOK slots.
  • QD sling sockets on both sides of the handguard.
  • Carbine-length gas system for the Harrier's operating setup.
  • M4-style collapsible stock on a mil-spec buffer tube.

Best Used For

  • Range shooters wanting a versatile AR-15 with modern mounting options and slim-handguard ergonomics.
  • Hunters needing a field-capable rifle with a carbine-length gas system and adjustable stock.
  • Users who want a mil-spec platform with free-float handguard and QD sling sockets.
  • Shooters planning optics and accessory setups using Picatinny and M-LOK mounting points.

Specifications

Barrel FinishNitride finish
Barrel Length16.1"
Barrel ProfileGovernment profile
Bolt Carrier GroupNitrided bolt carrier group with staked gas key
Brass DeflectorYes
Buffer TubeMil-spec buffer tube
Caliber5.56 NATO
Capacity30+1 rounds
Dust CoverYes
Forward AssistYes
FurnitureQuality furniture
Gas SystemCarbine-length
GripA2-pattern grip
HandguardFree-float handguard with slim profile
Lower Receiver Material7075 forgings
M Lok Slots3:00, 6:00, and 9:00 positions plus 8 intermediate slots on the muzzle end
Muzzle DeviceA2 flash hider
PlatformMil-spec AR-15
Qd Sling SocketsBoth sides of handguard
Rail SectionsPartial Picatinny rail at front and rear of 12:00 position
Receiver FinishType III hard coat anodized
Rifling6-groove
StockM4-style collapsible stock
Tension ScrewYes
Threaded Muzzle1/2"-28
Twist Rate1:8" right-hand twist
Upper Receiver Material7075 forgings

Pros

  • Enhanced ergonomics from the slim profile free-float handguard and quality furniture
  • Flexible accessory mounting with Picatinny sections and Magpul M-LOK slots
  • QD sling sockets on both sides support quick sling attachment and transitions
  • Mil-spec 7075 forged receivers with Type III hard coat anodizing add durability
  • Carbine-length gas system and nitrided bolt carrier group support reliable cycling
  • A2 flash hider and threaded muzzle allow use of a preferred muzzle device

Considerations & Trade-offs

  • The 16.1" barrel and carbine-length gas system make this a more traditional AR setup, which may not suit buyers looking for a shorter or more specialized configuration.
  • The included A2 flash hider is functional, but the threaded muzzle is the point of flexibility if you plan to change muzzle devices.
  • The slim free-float handguard emphasizes a low-bulk profile, but accessory mounting is still limited to the provided Picatinny sections and M-LOK slot layout.
  • The rifle is configured with an A2-pattern grip and M4-style collapsible stock, so buyers wanting a different furniture setup may need to plan for changes.

Suggested Comparisons

  • AR-15 style rifles
  • 5.56 NATO rifles
  • Free-float handguard rifles
  • M-LOK equipped rifles

Suggested Accessories

  • Sling
  • Optic mount
  • Magazine
  • Cleaning kit

Frequently Asked Questions

What caliber and capacity does the Ruger Harrier use?

The Harrier is chambered in 5.56 NATO and has a 30+1 capacity.

What barrel setup does this rifle come with?

It has a 16.1" government profile barrel with a nitride finish and 6-groove 1:8" right-hand twist rifling.

What handguard and mounting options are included?

The rifle uses a slim-profile free-float handguard with partial Picatinny rail sections at the front and rear of the 12:00 position, plus Magpul M-LOK slots at the 3:00, 6:00, and 9:00 positions and 8 intermediate slots on the muzzle end.

Does the Harrier support sling attachment?

Yes. The handguard includes QD sling sockets on both sides.

What receiver and control features are listed?

The upper and lower receivers are machined to mil-spec dimensions from 7075 forgings and Type III hard coat anodized. The upper includes a forward assist, dust cover, and brass deflector, and the lower has a tension screw to reduce play between the receivers.