Description
The Rock River Arms LAR-15 NM A4 CMP AR-15 Rifle 5.56/223 20″ Barrel 12.5″ TRO Rail 20 Rd Mag is a competition-ready, service rifle-style AR-15 built to meet the stringent specifications of Civilian Marksmanship Program (CMP) matches. It offers a classic A4 upper with a free-float rail on a forged lower for enhanced accuracy and modularity, providing serious shooters with a high-value platform right out of the box.
Key Features
- CMP-Compliant Configuration: Built to the rules for Service Rifle competition in NRA/CMP High Power matches.
- 20″ Chrome-Lined Barrel: Provides a longer sight radius and optimal velocity for the 5.56x45mm NATO/.223 Remington cartridge.
- 12.5″ Free-Float TRO Rail: The Tactical Rail One-piece system enhances accuracy by eliminating barrel contact and allows for accessory mounting.
- National Match Trigger: Features a crisp, two-stage trigger for precise shot control.
- Forged Upper & Lower Receivers: Ensures durability and a solid foundation for consistent performance.
Specifications & Details
| Specification | Detail |
|---|---|
| Caliber | 5.56x45mm NATO / .223 Remington |
| Barrel Length | 20 inches, 1:8 Twist, Chrome Lined |
| Rail System | 12.5-inch RRA TRO Free-Float Rail |
| Trigger | RRA National Match Two-Stage |
| Magazine | Includes one 20-round magazine |
| Overall Length | Approx. 39.5 inches |
Weighing in at roughly 9.5 pounds unloaded, this rifle has a substantial, stable feel on the bench or the firing line. The price point of $1409.99 positions it as a compelling alternative to building a similar match-grade rifle from scratch—you get Rock River Arms’ quality control and a ready-to-compete package. It ships to Missouri and compliant US states, requiring an FFL transfer for firearm purchases like all complete rifles.
Who This Rifle Is For
This LAR-15 is built for the practical competitor or the shooter who values proven, no-fuss performance. It’s ideal for someone entering CMP or NRA High Power Service Rifle competition who doesn’t want to piece together a legal configuration themselves. It also suits the discerning enthusiast who appreciates a classic A4 profile with modern free-float accuracy benefits, all from a respected manufacturer. Look, if you need a rifle that’s drop-in ready for match day, this checks the box.
Pros & Cons: The Practical Tradeoffs
Pros: The primary advantage is its out-of-the-box competition legality and excellent trigger. The 20-inch barrel squeezes maximum velocity from 5.56mm rounds, which aids long-range accuracy. The free-float rail is a significant upgrade over a standard handguard. You’re getting a complete, reputable system for a price often lower than the sum of its high-quality parts.
Cons: That 20-inch barrel and sturdy construction make it heavier and less maneuverable than a carbine—this isn’t a home defense or tactical carbine. The fixed stock limits adjustability for some shooters. While a great value for what it is, the $1409.99 tag is still a serious investment compared to a basic plinking AR.
Frequently Asked Questions
Q: Is this rifle truly ready for CMP matches?
A: Yes, in its factory configuration, it meets the Service Rifle requirements for NRA/CMP High Power Rifle competition. Always verify current rulebooks, but it’s designed specifically for this purpose with the correct barrel length, sights, and stock.
Q: Can I use my existing AR-15 magazines with it?
A: Absolutely. It accepts any standard USGI or PMAG-style AR-15 magazine chambered in 5.56/.223. The included 20-round mag is common for competition, but 30-round magazines work flawlessly for practice.
Q: Is the rail compatible with common accessories?
A: Yes, the 12.5″ TRO rail uses a standard Picatinny top rail and has modular attachment points for accessories like bipods (a popular add-on for competition), lights, or hand stops. It’s compatible with mounts from brands like Magpul and UTG.
For the shooter seeking a dedicated, accurate rifle that bridges the gap between military heritage and modern competitive shooting, the Rock River Arms NM A4 CMP rifle represents a solid, value-conscious choice. It delivers proven performance without custom gunsmithing costs. See full details and availability at firearms-missouri.com for Missouri residents and nationwide.
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