IC-9Pistol Caliber ARThe innovative design of these models combines the time-tested AR platform expertise of LWRCI(TM) with an innovative chamber ring delayed blowback operating system that delivers a unique Pistol Caliber AR shooting experienceCreated from the ground up around US-manufactured Glock magazines the IC-9 is chambered in 9mm featuring the same ambidextrous controls and performance attributes found in LWRCI's luxury gas-piston AR lineup. LWRCI's commitment to craftsmanship and design excellence is clearly evident in the new IC-9 models the firearm delivers the high performance that discerning shooters demand alongside the quality and innovation that our customers have come to expect from LWRCI(TM). Constructed of advanced aluminum and steel alloys protected with hard-coat anodizing ferritic nitrocarburization and nickel-boron surface treatments the IC-9's MonoForge Upper Receiver with integrated rail-base is lighter and stronger than standard pattern uppers. Coined Forging are struck heat-treated and struck again for precise dimensional accuracy and superior surface finish.