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IC DI Slim Fit Rail Black Upper 16" (5.56 NATO)

Part Number: ICDIU5B16LD
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IC DI Slim Fit Rail Black Upper 16
IC DI Slim Fit Rail Black Upper 16' (5.56 NATO)
Your Price: $1,049.55
IC DI Slim Fit Rail Black Upper 16" (5.56 NATO)
Financing Available: Finance this product for as low as $28.31 per month for 36 months! Get started now on our Financing page.

Availability: Uppers are built to order. Due to current market conditions, please anticipate a minimum 9-12 month lead time.

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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 Slim FIt 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 Slim Fit 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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