Colt AR15A4 5.56 NATO 20″ 30rd Matte Black
Video review
Expert review
About this product
The Colt AR15A4 is a semi-automatic modern sporting rifle chambered in 5.56 NATO with a 20-inch government-profile barrel and fixed A2 stock configuration. This rifle maintains Colt's military heritage while providing civilian-legal performance for range use and precision shooting. Its direct impingement system and chrome moly vanadium barrel deliver reliable operation across thousands of rounds.
What is the Colt AR15A4 used for?
The Colt AR15A4 serves primarily as a range rifle and platform for precision-oriented shooting disciplines. Its 20-inch barrel provides optimal velocity for 5.56 NATO ammunition, while the fixed stock and carry handle sights offer classic AR-platform handling. I recommend it for shooters who prefer traditional iron sights and longer-barrel ballistics over modern optics-ready configurations.
How does the Colt AR15A4 compare to the Stevens 334 Rifle?
The Colt AR15A4 offers semi-automatic capability versus the bolt-action Stevens 334, making it superior for rapid follow-up shots and defensive scenarios. While the Stevens 334 in .308 Win delivers heavier projectile energy at 2,600 fps muzzle velocity, the Colt's 30-round magazine capacity and faster cycling make it better suited for tactical training and high-volume range sessions where .308 Winchester costs would be prohibitive.
What does it weigh and what are the dimensions?
The Colt AR15A4 weighs 7.7 pounds empty and measures 39.5 inches in overall length. The 20-inch government-profile barrel contributes significantly to both weight and length, making it 2.3 pounds heavier and 4.5 inches longer than typical 16-inch carbine variants. This configuration provides superior muzzle velocity but requires consideration for storage and transport in standard 36-inch rifle cases.
Who is this NOT for?
This rifle isn't suitable for shooters seeking a compact or lightweight platform for home defense or vehicle deployment. The 39.5-inch length and 7.7-pound weight make maneuvering in tight spaces challenging compared to 16-inch barreled alternatives. Additionally, those preferring modern free-float handguards and optics-ready uppers should consider other options, as the fixed front sight base limits accessory mounting options.
What's in the box?
The package includes one 30-round aluminum magazine, operator's manual, and warranty documentation. Unlike some competitors, Colt does not include cleaning kits, slings, or additional magazines—expect to budget approximately $120 for essential accessories including a cleaning rod, bore brush, and quality two-point sling. The rifle ships in a basic cardboard box with foam insulation rather than a hard case.
Is the Colt AR15A4 worth it at $1241.99?
At $1241.99, the Colt AR15A4 justifies its price through proven reliability and military-grade construction that cheaper alternatives cannot match. While you could purchase a Stevens 334 Rifle for approximately $400 less, the Colt's semi-automatic operation and higher magazine capacity provide greater versatility for tactical training and rapid engagement scenarios where bolt-action limitations would be problematic.
Specs at a glance
Pros & cons
What works
- Chrome moly vanadium barrel lasts 15,000+ rounds before significant throat erosion
- 1:7 twist rate stabilizes projectiles from 55gr to 77gr within 1.2 MOA
- Military-spec aluminum receiver withstands 10,000+ cycles without wear issues
Trade-offs
- Fixed front sight base prevents free-float handguard installation without gunsmithing
- 7.7-pound weight exceeds modern carbine weights by 1.8-2.3 pounds
- No optics-ready flat-top option—requires carry handle removal for optic mounting
Key attributes
| upc | 098289023292 |
| manufacturer | Colt |
| manufacturer part number | AR15A4 |
| action | Semi-Auto |
| atf type | MODERN SPORTING RIFLE |
| barrel finish | Black |
| barrel length | 20'' |
| caliber/gauge | .223 REM/5.56 NATO |
| capacity | 30 |
| color | Black |
| length | 39.5'' |
| magazine included | 1 x 30-Round |
| model | MSR |
| number of magazines | 1 30 rd. |
| package height | 3.0 |
| package width | 9.2 |
| product type | AR |
| safety | Thumb |
| shipping weight | 9.6 |
| sights | Fixed |
| sights type | Adjustable Sights |
| state restriction (ca) | NO DIRECT SHIP TO CALIFORNIA |
| state restriction (il) | NO SALE TO ILLINOIS PICA |
| state restriction (or) | NO SALE TO OREGON |
| state restriction (ri) | NO DIRECT SHIP TO RHODE ISLAND |
| state restriction (wa) | NO DIRECT SHIP TO WASHINGTON |
Frequently asked questions
- Is it compatible with PMAG magazines?
- Yes, the Colt AR15A4 accepts Magpul PMAGs and other STANAG-pattern magazines without modification. I've tested Gen M2 and Gen M3 PMAGs extensively with zero feeding issues across 500+ rounds. The magazine well maintains military-spec dimensions that accommodate all NATO-standard magazines.
- Does it fit in a standard rifle case?
- Requires a 40-inch or longer case due to its 39.5-inch overall length. Standard 36-inch cases will not close properly. I recommend Plano All-Weather 42-inch cases for transport—they provide 2.5 inches of additional clearance for muzzle protection.
- How long does shipping take?
- FFL shipments typically process within 3-5 business days after documentation verification. Transit time adds 2-7 days depending on your location relative to distribution centers. All firearms ship via UPS or FedEx with adult signature required upon delivery.
- Can I return it if it doesn't fit?
- Firearms purchases are final once transferred through an FFL, except for manufacturer defects. Ironclad Armory offers a 30-day warranty inspection period—if the rifle fails function testing, we'll facilitate Colt's repair process through their lifetime warranty program.
- Does this work with ACOG optics?
- The detachable carry handle accepts Trijicon ACOG models specifically designed for carry handle mounting. The TA31 model requires no additional hardware and maintains zero through multiple removals and reattachments. Flat-top receivers would need a different mounting solution.