The LWRC IC-MKII Tungsten 5.56x45mm rifle represents the next evolution of LWRC International's industry-leading gas piston AR-15 platform, engineered to replace the battle-proven IC-A5. This flagship rifle introduces a range of enhancements designed to maximize performance, durability and modularity. Featuring a robust mono-forged upper and lower receiver, it delivers exceptional strength and reliability in any environment. The extended M-LOK handguard offers greater versatility for mounting accessories while allowing for quick removal by simply loosening two screws at its base. The rifle retains the trusted 2-way adjustable gas piston system from the IC-A5 but incorporates a newly designed butterfly-style adjustable gas key, which can be easily accessed through precision-machined openings in the M-LOK handguard. Built for demanding shooters who require precision, adaptability and cutting-edge innovation, the IC-MKII Tungsten 5.56x45mm is a top-tier choice for professionals and enthusiasts alike. The Monoforge 1-piece upper receiver with an integrated rail base provides superior strength and durability over standard-pattern uppers The Skirmish Back-up iron sights offer durable, reliable aiming solutions for tactical applications Designed with an A5 2-position gas block, allowing for quick and easy gas system adjustments Outfitted with an ambidextrous charging handle, providing smooth and reliable operation from either side for enhanced versatility The short-stroke gas piston system offers unparalleled reliability and easy maintenance, reducing heat transfer to critical components Black nitride treated LWRCI heavy-profile barrel is factory-torqued to precise specifications for consistent accuracy and durability Cold hammer-forged 1:7 twist stabilizes a wide range of bullet types for improved versatility The Nickel-Boron coated bolt carrier offers unmatched wear resistance, superior corrosion protection and permanent lubricity for long-lasting performance Fully ambidextrous lower receiver controls include the bolt catch and release, magazine release and safety selector for enhanced ergonomics Ultra Combat Grip provides superior traction and control, reducing fatigue during extended shooting sessions The compact stock enhances maneuverability and portability, making it an excellent choice for tight spaces and rapid deployment