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LWRCI IC 16 inch 5.56mm Complete Upper Receiver has been discontinued by LWRCI and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Parts, AR 15 Parts, Rifle Parts, AR15 Upper Receivers yourself to try and find the perfect replacement for you!
ATTENTION! We currently do not ship this product to AK, CA, HI, IL, NY, WA, P.O. Boxes, and U.S. Territories. Please see our policies for more information.
The LWRCI IC-E | Individual Carbine IC Enhanced Upper Receiver is constructed using the highest quality materials. Built on our patented self-regulating short-stroke gas piston system, machined from materials that belong to the superalloy family of steel alloys most often used in aerospace, LWRCI raises the bar on reliability and ease of maintenance- delivering the highest level of performance.![]()
IC-E Uppers with LWRCI Monoforge design includes an integrated rail-base that is stronger and lighter. The 9in user configurable rail system with individual rail sections allow the shooter to place accessory rails where they are needed while maintaining its low profile ergonomic fit and function.
The IC-E Upper is manufactured with a two-position gas block with normal and suppressed settings. Gas block is easily accessible enabling the user to pre-restrict the gas flow to the piston system, allowing the rifle to run smoothly and compensate for the added back pressure from running a suppressor. The IC-E Upper includes a Picitinny rail at the 12 oclock position, a bayonet lug, and is compatible with accessories like the M320 grenade launcher and the M26 shotgun. Gas-piston system can be accessed quickly by loosening two thumb screws.
Our IC Enhanced Upper uses LWRCI manufactured- NiCorr treated cold Hammer Forged spiral fluted barrel that is 20% lighter than unfluted barrels of the same diameter. The increased surface area reduces heat speeds up cooling. Nickel-boron coated bolt carrier dellivers unparalleled wear resistance, corrosion resistance and permanent lubricity.