The LWRC IC-MKII (brand part no. ICMKIIR5CK12S) is a Short-Barreled Rifle chambered in .223 Remington/5.56 NATO, built around a 12.7-inch barrel and finished in FDE. LWRC runs the IC-MKII on its short-stroke gas piston system and equips it with LWRC Flip-Up Skirmish adjustable sights. The IC-MKII favors 5.56 shooters who want a proven piston-driven SBR platform with a longer sight radius.

Key Specifications

• Chambered in .223 Remington/5.56 NATO.
• Built with a 12.7-inch barrel.
• Cut with a 1-in-7-inch twist rate.
• Feeds from a 30-round magazine.
• Equipped with LWRC Flip-Up Skirmish sights, adjustable.
• Finished in FDE.
• Operates as a semi-automatic action.

Frequently Asked Questions

Is this an NFA item? Yes. As a Short-Barreled Rifle (SBR), it is a Title II firearm requiring an approved ATF Form 4 and transfer through an NFA-licensed dealer.

What sights does it use? LWRC Flip-Up Skirmish sights, adjustable.

Buy the LWRC IC-MKII SBR

This is a Title II firearm regulated under the National Firearms Act. Purchase requires an approved ATF Form 4, no federal transfer tax, and transfer through a licensed NFA (SOT/Class 3) dealer, with an extended federal approval wait before delivery. Order through LWRC‘s short barrel rifles lineup and our Lubbock, Texas team will walk you through the transfer process.