LWRC International Icmkii 5.56 NATO 16.1" 30-Round Threaded Barrel Rifle

The LWRC International IC-MKII 5.56 NATO 16.1" semi-automatic rifle represents a purpose-built platform for professional end-users, law enforcement, and serious sport shooters who demand reliability under demanding conditions. Built on decades of small-arms engineering and real-world combat feedback, this rifle delivers the accuracy, ergonomics, and durability expected in modern tactical applications. The threaded barrel configuration provides flexibility for sound suppression or muzzle device attachment, making it a versatile choice for both duty and recreational shooting.

The IC-MKII platform features LWRC's proven monolithic upper receiver design, which integrates the rail system and barrel extension into a single rigid unit—this eliminates the flex common to traditional flat-top ARs and significantly improves zero retention and shot grouping consistency. The 16.1-inch barrel with 1/2x28 threading balances maneuverability in close-quarters environments with effective range and velocity for 5.56 NATO duty rounds. The rifle ships with a 30-round magazine, offering standard capacity for training, competition, and tactical deployment. The direct impingement system ensures straightforward maintenance and parts compatibility across the AR-15 ecosystem.

This rifle excels for operators transitioning from military service, tactical shooters prioritizing accuracy over platform modularity, and law enforcement agencies seeking a dependable duty rifle with minimal training curve. The threaded barrel accepts standard 1/2x28 suppressors, flash hiders, and compensators—critical for shooters in noise-sensitive environments or those running sound signature reduction. The compact 16.1-inch length suits vehicle operations, building clearance, and dynamic shooting scenarios while maintaining effective ballistic performance. Magazine compatibility follows standard AR-15 specifications, simplifying ammunition management and logistics across training and duty cycles.