RUGER AR-556 for Sale

Quick Look

The Ruger AR-556 launched in 2013 as Ruger’s entry into the AR-15 market. Designed for reliability and value, it offers a solid platform for new and experienced shooters alike. Today, it remains a popular choice for affordable, versatile semi-auto rifles.

Why It's a Top Choice

• Reliable direct impingement gas system
• Includes Ruger M4-style 1:7 twist barrel
• Factory-installed Magpul furniture
• Good aftermarket parts compatibility
• Affordable price point for AR platform

Key Variants

Ruger AR-556 MPR

Enhanced multi-purpose rifle featuring an extended gas system and free-float handguard for improved accuracy.

Ruger AR-556 Pistol

Compact model with pistol-length barrel, ideal for close-quarters and home defense setups.

Ruger AR-556

Standard model with a 16.1-inch barrel suitable for general shooting and range use.

Competitor Comparison Table

Feature	Ruger AR-556	Smith & Wesson M&P15	Springfield Saint
MSRP	$749	$799	$900
Capacity / Size	30-round magazine / 16.1\" barrel	30-round magazine / 16\" barrel	30-round magazine / 16\" barrel
Weight	6.9 lbs	6.9 lbs	6.9 lbs
Optics Ready	Picatinny rail	Picatinny rail	Picatinny rail
Trigger Type	Single-stage mil-spec	Single-stage mil-spec	Single-stage mil-spec
Notable Pro	Strong value and reliability	Widely available aftermarket parts	Lightweight M-LOK handguard
Notable Con	Basic trigger out of the box	Slightly higher price	Higher MSRP

Best Use Cases

• Home defense
• Range training and plinking
• Light hunting with proper ammo
• General sport shooting
• Beginner to intermediate AR shooters

FAQs

Can I use standard AR-15 magazines with the Ruger AR-556?

Yes, the Ruger AR-556 accepts standard 5.56 NATO/.223 Remington AR-15 magazines, including most aftermarket options.

What is the barrel length of the Ruger AR-556?

The standard Ruger AR-556 features a 16.1-inch cold hammer-forged barrel with a 1:7 twist rate.

How does the Ruger AR-556 gas system operate?

It uses a direct impingement gas system with a mid-length gas tube, promoting smoother recoil and reliable cycling.