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Quick Look

The Rock River Arms NM A4 CMP LAR-15M is a modern civilian semi-automatic rifle rooted in the AR-15 platform heritage. Designed for durability and versatility, it caters to enthusiasts seeking robust build quality and accuracy. It enjoys steady popularity among tactical shooters and collectors.

Why It's a Top Choice

Reliable direct impingement gas system
Highly customizable with aftermarket parts
Built with mil-spec components for durability
Versatile for target shooting and defense
Proven accuracy with quality barrels

Key Variants

NM A4 CMP

Balanced for competition shooters wanting enhanced precision and control.

LAR-15M

A lightweight model suited for tactical enthusiasts and home defense.

Competitor Comparison Table

Feature	Rock River Arms NM A4 CMP LAR-15M	Daniel Defense DDM4	Smith & Wesson M&P15
MSRP	$1200 - $1400	$1400 - $1600	$900 - $1100
Capacity/Size	30 rounds, 16\" barrel	30 rounds, 16\" barrel	30 rounds, 16\" barrel
Weight	7.5 lbs	6.9 lbs	6.8 lbs
Optics-Ready	Yes, Picatinny rail	Yes, Picatinny rail	Yes, Picatinny rail
Trigger Type	Single-stage mil-spec	Two-stage enhanced	Single-stage
Notable Pro	Solid build with mil-spec parts	Premium barrel and finish	Affordable and reliable
Notable Con	Heavier than some competitors	Higher price point	Basic trigger*

Best Use Cases

Home defense with reliable performance
Tactical and law enforcement training
Competitive shooting matches
Plinking and general range practice
Collector’s semi-automatic rifle selection

FAQs

Can I use AR-15 magazines with the Rock River Arms NM A4 CMP LAR-15M?

Yes, it accepts standard AR-15 magazines due to its compatibility with the AR-15 platform.

What barrel length does the NM A4 CMP LAR-15M feature?

It typically comes with a 16-inch barrel, balancing maneuverability and accuracy.

How does the NM A4 CMP differ from the LAR-15M?

The NM A4 CMP focuses on competitive use with added precision features; the LAR-15M is lighter for tactical roles.

ROCK RIVER ARMS NM A4 CMP LAR-15M for Sale