LWRC's IC-A5 Upper Receiver is a perfect start to a custom, high-performance AR-build. Originally designed for the U.S. Army's Individual Carbine program the IC-A5 Upper is equipped with a patented short-stroke gas piston system offering the shooter unparalleled reliability and easy maintenance in any conditions. The short-stroke gas piston system is perfectly paired with a nickel-boron coated bolt carrier for unmatched resistance to wear and corrosion while also providing permanent lubricity.

Features of the IC-A5 Upper Receiver:

• LWRCI PROPRIETARY SHORT STROKE GAS PISTON SYSTEM
• LWRCI ADJUSTABLE 2 POSITION GAS BLOCK
• LWRCI SKIRMISH BACK UP IRON SIGHTS
• LWRCI AMBIDEXTROUS CHARGING HANDLE
• H2 BUFFER
• CARBINE LENGTH ACTION SPRING