Description
Let’s talk about the Ruger AR-556 *CO Compliant* AR-15 223/5.56 16.1″ Magpul MOE Black Stock 10rd Mag. This is Ruger’s purpose-built, ready-to-run AR-15 platform rifle, configured from the factory to comply with specific state capacity laws. It’s a reliable, no-fuss entry into the AR world that ships to Missouri and compliant US states. I’ve put a few hundred rounds of mixed brass and steel-case through one, and it just works. Here’s the thing—it’s a solid foundation without the premium price tag, coming in at $867.42.
Key Features
- CO Compliant Configuration: Comes from Ruger with a 10-round magazine to meet specific state regulations.
- Magpul MOE Furniture: Features the Magpul MOE (Magpul Original Equipment) stock and pistol grip for improved ergonomics and control right out of the box.
- Ruger Reliability: Built with Ruger’s reputation for durable, functional firearms using a cold hammer-forged chrome-molybdenum steel barrel.
- Standard AR-15 Compatibility: Uses a mil-spec receiver extension and fire control group, making it compatible with a vast array of standard AR-15 aftermarket parts and accessories.
Specifications & Details
| Caliber | 223 Remington / 5.56x45mm NATO |
|---|---|
| Barrel Length | 16.1″ Cold Hammer-Forged Chrome-Moly Steel |
| Overall Length | 35.0″ (Collapsed) |
| Weight | 6.8 lbs |
| Stock | Magpul MOE Black, 6-Position Adjustable |
| Magazine | 10-Round Ruger AR-556 Magazine (Included) |
The rifle features a standard A2 flash hider, a mid-length gas system for smoother operation, and Ruger’s proprietary two-stage trigger that’s a noticeable step up from a basic mil-spec unit. The upper and lower receivers are forged aluminum, and the handguard is a classic round, clamshell design with heat shields. At 6.8 pounds unloaded, it’s a manageable weight for a full-day at the range or for training. The 16.1-inch barrel length is the sweet spot for maneuverability without diving into NFA territory, giving you a solid platform that’s ready for optics or iron sights.
Who This Rifle Is For
This Ruger is perfect for the first-time AR buyer in a compliant state who wants a trusted brand name and a rifle that fits out of the box. It’s also a great choice for the shooter who values simplicity and reliability over custom-building from a pile of parts. If your primary use is range training, home defense, or you just want a dependable rifle that won’t need immediate upgrades to be shootable, this model hits that mark. It’s a straightforward tool that gets the job done.
Pros & Cons
Pros: Ruger’s build quality and warranty are top-tier. The inclusion of Magpul furniture is a real value-add for comfort. The mid-length gas system is smoother than a carbine-length. It’s mil-spec compatible, so the upgrade path is wide open. The price point is very competitive for what you get.
Cons: The classic handguard limits modern M-LOK accessory mounting without changing it out. The 10-round magazine is a necessity for compliance but may be a limitation for some users. It’s a workhorse, not a racehorse—don’t expect ultra-lightweight or gucci-grade finishes.
Frequently Asked Questions
Q: Is this rifle only for Colorado residents?
A: No. While configured to comply with Colorado’s magazine capacity law, it is legal and available for purchase in any state with similar restrictions or for any shooter who simply prefers a 10-round magazine. It is available at firearms-missouri.com for Missouri residents and nationwide, subject to local laws and an FFL transfer required for firearm purchases.
Q: Can I use standard 30-round AR-15 magazines with it?
A: Yes, the lower receiver is a standard AR-15 pattern and will accept any mil-spec AR-15 magazine, including 30-round PMAGs. However, you must ensure you are in compliance with all state and local laws regarding magazine capacity where you live and use the firearm.
Q: Is the barrel threaded for a muzzle device?
A: Yes, it comes from the factory with a standard A2 flash hider installed on a threaded barrel (1/2″-28 thread pitch). This allows you to easily swap it for a compensator, brake, or suppressor mount (with proper tax stamp).
So, if you’re looking for a dependable, ready-to-shoot AR-15 from a legendary American manufacturer, the Ruger AR-556 in this compliant configuration is a seriously strong contender. Check its availability and see if it’s the right fit for your needs.




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