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IC DI Slimline Rail Black Upper 16" (5.56 NATO)

Part Number: ICDIU5B16ASL
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IC DI Slimline Rail Black Upper 16
IC DI Slimline Rail Black Upper 16' (5.56 NATO)
Your Price: $1,203.00
IC DI Slim Fit Rail Black Upper 16" (5.56 NATO)
Availability: Uppers are built to order. Due to current market conditions, please anticipate a 2-6 week lead time. Free Shipping.

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Feature: 28.31


Looking for a lighter-weight slimmer profile upper receiver for your next build-  you've come to the right place. Step Up your game with   LWRCI™ IC DI Slimline Upper.  Designed from the ground up to to deliver shooters a range ready out-of-the-box upper with the quality, high performance features you expect from LWRCI

Working closely with shooters from every skill set, the IC DI Slimline Upper was developed to deliver user friendly ergonomics and custom rifle features like the  LWRCI™ Custom design rail, LWRCI™ Monoforge Upper Receiver and operating on our innovative "keyless" DI Bolt Carrier design that in incredibly durable improving performance over other standard DI systems.   

And at this price- they will not last long.  Get em while they last.  Limited quantities available.  Allow 2 weeks for delivery.


  • LWRCI Monoforge Upper Receiver is stronger and lighter - increased rigidity = improved accuracy
  • Custom designed slimmer compact rail
  • Proprietary LWRCI Nickel-boron coated DI Bolt Carrier Group w/ integrated gas key
  • LWRCI Ambidextrous Charging Handle
  • LWRCI Cold-Hammer-Forged, NiCorr-treated, Spiral-Fluted Barrel
  • LWRCI Angeled Ergonomic Foregrip w/ QD Sling mounting points
  • LWRCI Rail Panels and Hand Stop

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