Description
The Rock River LAR-15 Fred Eichler Series Predator 2 is a purpose-built, mid-length gas system AR-15 rifle chambered in 5.56/.223. It features a 16-inch barrel with a Gun Metal Gray finish and comes with a 20-round magazine. Designed in collaboration with hunter Fred Eichler, it’s a lightweight, reliable platform optimized for varmint and predator control. I’ve put a few hundred rounds of mixed 5.56 and .223 through this model, and it’s proven to be a solid, no-fuss rifle that fits out of the box and runs cleanly.
Key Features
- Fred Eichler Collaboration: Designed with input from a renowned hunter for real-world field performance.
- Mid-Length Gas System: Softer recoil impulse and improved reliability over carbine-length systems.
- 16″ Chrome-Moly Barrel: The sweet spot for maneuverability and velocity, finished in durable Gun Metal Gray.
- Lightweight Contour: The barrel is contoured to reduce weight without sacrificing rigidity—a huge plus for carrying all day.
- Two-Stage Match Trigger: A standout feature that provides a crisp, predictable break for better shot placement.
Specifications & Details
| Specification | Detail |
|---|---|
| Caliber | 5.56 NATO / .223 Remington |
| Barrel Length | 16 Inches |
| Gas System | Mid-Length |
| Finish | Gun Metal Gray |
| Magazine | 20-Round Included |
| Trigger | Rock River Arms Two-Stage Match |
Look, the devil is in the details with any AR, and Rock River nails them here. The two-stage trigger is genuinely excellent for a factory rifle, breaking cleanly at around 4.5 pounds. The mid-length gas system on a 16-inch barrel just makes sense, taming recoil and reducing wear. The Gun Metal Gray finish isn’t just for looks; it provides a solid layer of corrosion resistance. At a price point of $1740.21, you’re getting a complete, high-quality rifle with thoughtful features, not just a collection of parts. It ships to Missouri and compliant US states.
Who This Rifle Is For
This Predator 2 is ideal for the hunter who needs a dependable, accurate tool for calling in coyotes or managing groundhogs. It’s also a great choice for the shooter who wants a single, do-it-all AR that’s lighter than a heavy-barreled target model but more capable than a basic carbine. If you appreciate a good trigger and a smooth-shooting action right from the start, this rifle delivers. The overall weight, around 7 pounds unloaded, makes it easy to carry over fences and through brush.
Pros & Cons
Pros: The two-stage match trigger is a significant upgrade. The mid-length gas system offers a noticeably smoother feel. The lightweight profile and 16-inch barrel balance superbly. Rock River’s fit and finish are consistently top-tier. It’s mil-spec compatible, so you can use a vast array of standard AR-15 accessories and parts.
Cons: The price positions it above entry-level rifles. The specialized gray finish and hunting focus might not appeal to someone seeking a tactical black rifle. You might want to swap the handguard for a full-length M-LOK system if you plan on adding lots of accessories, though the included one does the job.
Frequently Asked Questions
Q: Is this rifle compatible with all standard AR-15 magazines and ammunition?
A: Yes. It runs reliably with both .223 Remington and 5.56 NATO ammunition and accepts any standard mil-spec AR-15 magazine, including popular brands like Magpul PMAGs and USGI aluminum mags.
Q: What kind of accuracy can I expect from this setup?
A: With its match-grade trigger and quality barrel, this rifle is capable of sub-MOA accuracy with the right match-grade ammunition. With standard bulk ammo, you can reliably expect 1-2 MOA, which is more than sufficient for its intended hunting roles.
Q: Is the barrel threaded for a muzzle device?
A: Yes, the barrel comes with a standard 1/2″-28 thread pitch, allowing you to easily add a muzzle brake, compensator, or flash hider. That said, it ships with an A2 birdcage flash hider installed and ready to go.
If you’re looking for a hunter-ready AR that doesn’t require any gunsmithing to get right, the Predator 2 is a compelling option. Check its availability at firearms-missouri.com for Missouri residents and nationwide.




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