LWRC ICMKII 5.56 / .223 Rem 16.1 Barrel 30-Rounds w/ Sights
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MSRP
$2,966
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6% off
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Updated
Aug 26, 2026
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A5 2-position Gas Block
Advanced Trigger Guard
Ambidextrous Charging Handle
Black Nitride treated LWRCI heavy-profile barrel is precisely torqued in their factory to a consistent torque setting
Cold hammer forged 1:7 twist stabilizes a wide range of bullet types
Compact Stock
Fully-ambidextrous lower receiver controls include the bolt catch and release, the magazine release, and the safety selector
Monoforge one piece upper receiver with integrated rail-base is stronger than the standard-pattern upper
Specifications
Caliber
Brand
Model
Individual Carbine
Series
MKII
MPN
ICMKIIR5B16
UPC
850058027821
Description
LWRC ICMKII Features The LWRC ICMKII is driven by LWRCI s proprietary short-stroke gas piston operating system for unmatched reliability in extreme conditions with easy field maintenance chambered in 5.56 NATO/.223 Rem on a 16.1 cold hammer-forged spiral fluted barrel with black nitride finish and a 1:7 twist rate that stabilizes a wide range of bullet weights. The Monoforge one-piece upper receiver with integrated rail base is stronger than standard-pattern uppers providing a rigid precise foundation for optics and accessories while the nickel-boron coated bolt carrier delivers unparalleled wear resistance corrosion resistance and permanent lubricity through high round counts. Fully ambidextrous lower receiver controls include the bolt catch and release magazine release and safety selector complemented by an ambidextrous charging handle for complete left and right-handed operation without modification. The A5 2-position adjustable gas block allows the operator to tune the gas system for suppressed or unsuppressed fire and the M-LOK handguard provides a full-length accessory mounting platform for lights lasers and foregrips. LWRCI Skirmish back-up iron sights deliver a reliable iron sight baseline and the Advanced Trigger Guard rounds out a lower build engineered for hard use. The LWRC Compact Stock and Ultra Combat Grip complete a fully specified duty-grade package ready to run straight out of the box. LWRC International developed the ICMKII directly from rifles built to meet U.S. Army Individual Carbine program requirements applying military-grade material standards and manufacturing tolerances to a commercially available platform that reflects LWRCI s commitment to building the most reliable gas piston AR available. LWRC ICMKII Specifications Manufacturer: LWRC Model: ICMKII Platform: AR-15 Action: Semi-Auto Caliber: 5.56 NATO/.223 Rem Barrel Length: 16.1 Barrel Material: Cold Hammer-Forged Steel Barrel Finish: Black Nitride Barrel Description: Spiral Fluted Threaded Rate of Twist: 1:7 Thread Pattern: 1/2x28 Operating System: Short-Stroke Gas Piston Gas Block: A5 2-Position Adjustable Upper Receiver: Monoforge One-Piece with Integrated Rail Base Receiver Finish: Black Handguard: M-LOK Bolt Carrier: Nickel-Boron Coated Sights: LWRCI Skirmish Back-Up Iron Sights Stock: LWRC Compact Grip: LWRC Ultra Combat Safety: Ambidextrous Selector Switch Controls: Fully Ambidextrous Capacity: 30+1 Magazine: 30 rd. Magpul 5.56 PMAG (1 included) Finish: Matte Black Weight: 7.30 lbs.







