Rock River Arms

About Rock River Arms

Rock River Arms was founded in 1996 by brothers Mark and Chuck Larson in Cleveland, Illinois, bringing decades of firearms manufacturing experience to their new venture.

The Larson brothers previously worked at Springfield Armory and partnered with Les Baer to build custom 1911 pistols before founding Rock River Arms.

The company initially focused on hand-fitted custom 1911 pistols with NM frames and slides that set new industry standards for tight tolerances.

Rock River Arms successfully transitioned into AR-15 style rifles while maintaining their precision manufacturing principles and 1911 expertise.

Today, the company operates from state-of-the-art facilities in Colona, Illinois, serving law enforcement, military, and civilian markets with their reputation for quality and reliability.

Popular Rock River Arms Features

CNC Machined Receivers

• Precision-machined receivers deliver exact tolerances and enhanced durability for consistent performance.

2-Stage Match Triggers

• RRA match triggers provide crisp, clean breaks that enhance accuracy for competitive and precision shooting.

5.56 NATO Chambers

• Chambers accept both 5.56mm and .223 Remington ammunition for maximum versatility and availability.

Heat-Treated Steel Construction

• 4140 chrome-moly steel frames with proper heat treatment ensure long-lasting durability and strength.

Hand-Fitted Components

• Hand-assembled parts and precise fitting deliver custom shop quality in production firearms.

Rigorous Quality Control

• Extensive testing protocols and attention to fit and finish ensure reliability in demanding applications.

Best-Selling Rock River Arms Products

LAR-15M Series Rifles

• These .223/5.56 NATO rifles feature precision manufacturing and reliable performance for law enforcement and civilian use.

DEA/FBI Tactical Carbine

• This legendary law enforcement rifle won federal contracts after rigorous testing and remains popular with tactical units.

RRAGE Series

• Budget-friendly AR-15 rifles that maintain Rock River Arms quality while offering accessible pricing for new shooters.

Basic Limited 1911

• This .45 ACP pistol combines National Match quality with hand-fitted construction at production prices.

All Terrain Hunter (ATH)

• Specialized hunting rifles designed for predator and varmint hunting with enhanced accuracy features.

Operator Series DMR

• Designated marksman rifles built for precision shooting and tactical applications with match-grade components.

LAR-8 Series

• These .308 Winchester rifles provide long-range capability and stopping power for hunting and precision shooting.

Popular Uses for Rock River Arms

Law Enforcement Operations

• Federal agencies like the DEA and FBI rely on Rock River Arms rifles for tactical operations and duty use.

Competitive Shooting

• High-power rifle competition and precision shooting sports benefit from the accuracy and reliability of RRA firearms.

Hunting Applications

• Predator hunting, varmint control, and big game hunting are well-served by the All Terrain Hunter and LAR-8 series.

Personal Defense

• Home defense and personal protection applications utilize both the AR-15 and 1911 platforms for reliable stopping power.

Training and Education

• Firearms training courses and tactical instruction programs frequently choose Rock River Arms for their proven reliability and accuracy.

Rock River Arms FAQs

QUESTION: What warranty does Rock River Arms provide on their rifles and pistols?
ANSWER: Complete rifles and upper/lower halves come with a Limited Lifetime Warranty, while complete custom pistols have a One Year Limited Warranty against factory parts and labor failure.

QUESTION: Can Rock River Arms 5.56 NATO rifles shoot .223 Remington ammunition?
ANSWER: Yes, 5.56 NATO chambers accept both 5.56mm and .223 Remington ammunition safely and reliably.

QUESTION: What makes Rock River Arms rifles suitable for law enforcement use?
ANSWER: Their rigorous testing protocols, federal contracts with the DEA and FBI, and precision manufacturing make them trusted by law enforcement agencies.

QUESTION: Are Rock River Arms parts compatible with standard AR-15 components?
ANSWER: Yes, Rock River Arms rifles use standard AR-15 parts compatibility for most components and accessories.

QUESTION: What accuracy can I expect from Rock River Arms rifles?
ANSWER: Many models achieve 1 MOA or better accuracy with quality ammunition due to their precision manufacturing and match-grade components.

QUESTION: Does Rock River Arms still manufacture 1911 pistols?
ANSWER: Yes, they continue producing their renowned 1911 pistol line alongside their AR-15 rifles, maintaining their original precision standards.

QUESTION: What is the recommended break-in period for Rock River Arms firearms?
ANSWER: A break-in period of 100-200 rounds is recommended for optimal performance and reliability.

QUESTION: Where can I purchase Rock River Arms rifles and pistols?
ANSWER: Rock River Arms products are available through their extensive authorized dealer network and some models direct from the manufacturer.