Kansas Gunshop is a Wichita, KS-based retailer specializing in firearms and accessories. The Ruger AR-556 5.56 NATO M4 Flat-Top Autoloading Rifle is a reliable, versatile semi-automatic rifle designed for both recreational shooting and home defense. Built with a durable construction and user-friendly features, it’s a solid choice for AR enthusiasts. Available now for $699.00 with same-day shipping.
Reviewed by Derek, Owner & FFL Holder at Kansas Gunshop. Kansas-licensed FFL dealer since 2008, NRA Range Safety Officer.
Last updated: April 2026
| Product Type | Semi-Automatic Rifle |
|---|---|
| Material | 7075-T6 Aluminum Receiver, Steel Barrel |
| Manufacturing | Made in USA |
| Finish | Black Matte |
| Hardness/Quality | Mil-Spec |
| Compatibility | Standard AR-15 Parts |
| Installation/Usage | Ready to Shoot Out of the Box |
| Weight | 6.8 lbs |
| Dimensions | 32.25″ (Collapsed) |
| Country of Origin | USA |
| Condition | New |
| SKU | AR556 |
Key Features
- Flat-top upper receiver with Picatinny rail for optics
- 16.1″ cold hammer-forged barrel with 1:8 twist rate
- Six-position adjustable stock
- Includes one 30-round PMAG® magazine
- Forward assist and dust cover for reliability
Who It’s For
Buy it if: You’re looking for a dependable AR-style rifle for range shooting, home defense, or customization. It’s ideal for first-time AR buyers or seasoned enthusiasts who want a solid base platform.
Skip it if: You need a lightweight or compact rifle for hunting or long-distance precision shooting. Check out our rifles category for alternatives.
Pros & Cons
- ✅ Durable construction with mil-spec components
- ✅ Easy to customize with standard AR-15 parts
- ✅ Includes a reliable PMAG® magazine
- ✅ Flat-top design for versatile optic mounting
- ✅ Made in the USA with Ruger’s reputation for quality
- ❌ Heavier than some modern polymer alternatives
- ❌ Limited color options (black matte only)
Comparison
| Feature | Ruger AR-556 | Competitor A | Competitor B |
|---|---|---|---|
| Material | 7075-T6 Aluminum | Polymer | 6061 Aluminum |
| Quality | Mil-Spec | Commercial | Mil-Spec |
| Compatibility | Standard AR Parts | Proprietary | Standard AR Parts |
| Shipping | Same-Day | 3-5 Days | Next-Day |
| Lifespan | Long-Term Durability | Moderate | Long-Term Durability |
| Price | $699.00 | $499.00 | $799.00 |
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FAQ
Where can I buy the Ruger AR-556 online?
You can purchase the Ruger AR-556 directly from Kansas Gunshop (kansas-gunshop.com) with same-day shipping.
Is the Ruger AR-556 compatible with standard AR-15 parts?
Yes, it uses standard AR-15 parts for easy customization.
What is the barrel length of the Ruger AR-556?
The barrel length is 16.1 inches with a 1:8 twist rate.
Does it come with a magazine?
Yes, it includes one 30-round PMAG® magazine.
Can I mount optics on the Ruger AR-556?
Yes, the flat-top upper receiver has a Picatinny rail for optics.
Is the Ruger AR-556 legal in all states?
Most states allow it, but check your local laws for compliance.
What is the weight of the Ruger AR-556?
It weighs 6.8 pounds.
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