Rock River Arms LAR-15
The Rock River Arms LAR-15 is the Illinois-made AR-15 that has won at Camp Perry, equipped law enforcement agencies across the Midwest, and proven itself over decades of civilian use — a chrome-lined, mil-spec 5.56 NATO/.223 Rem platform available in National Match, Tactical Operator, Coyote, and A2 configurations from Rock River Arms’ Colona, Illinois facility. The LAR-15’s chrome-lined barrel is the platform’s signature specification, providing service-life durability that chrome-moly alternatives can’t match over the course of sustained range use.
Read our full LAR-15 Buying Guide ↓
National Match: The Competition Standard
The LAR-15 National Match is Rock River Arms’ competition flagship — built to NRA High Power and Service Rifle specifications with a free-float handguard, match-grade stainless steel barrel, National Match sights, and match trigger. RRA’s National Match rifles have won at Camp Perry’s National Matches, the premier American rifle competition, establishing the platform’s accuracy credentials in the most demanding competitive environment. The A2 buttstock and fixed A2 configuration mirror the Service Rifle division rules for JROTC, CMP, and NRA High Power competition. For competitive shooters in Service Rifle division: the LAR-15 National Match is the purpose-built answer.
Tactical Operator: The Law Enforcement Configuration
The LAR-15 Operator series is configured for tactical applications — a collapsible stock, M4-profile chrome-lined barrel, and mil-spec components in the configuration that law enforcement agencies have specified for patrol use. RRA’s LE adoption track record has documented the Operator’s reliability under the sustained use that patrol rifles experience. For civilian buyers who want the duty-specification LAR-15 rather than a competition-oriented configuration, the Operator provides a straightforward, proven tactical setup.
Coyote: The Optic-Ready General Purpose Configuration
The LAR-15 Coyote uses an optic-ready flat-top upper with a 20” barrel and Smith Vortex flash hider in a general-purpose configuration that bridges target shooting and field use. The 20” barrel maximizes 5.56 NATO velocity for the flattest trajectory and best terminal performance at distance. For hunters using the LAR-15 for varmint control, or for target shooters who want the velocity advantage of a 20” barrel without the National Match’s fixed configuration, the Coyote provides the combination.
Chrome-Lined Barrel: The Durability Differentiator
Every LAR-15 ships with a chrome-lined barrel — the same specification that military M16/M4 barrels have used for decades. Chrome lining extends barrel life from 10,000–15,000 rounds (chrome-moly) to 20,000+ rounds before meaningful accuracy degradation, provides corrosion resistance that chrome-moly lacks, and maintains consistent performance across temperature extremes. For buyers who plan sustained high-volume use, the chrome-lined LAR-15 provides the most cost-effective long-term barrel investment of any production AR-15.
Related Pages at Impact Guns
See the full Rock River Arms brand page. Browse our AR-15 rifles page for all configurations. Compare with Daniel Defense and Anderson Manufacturing. For ammunition see our .223/5.56 ammo page.
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