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RSR Part #: KNAC25780 Manufacturer Part #: 25780

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Knights Armament Company, SR-15 Lower Receiver Assembly, Semi-automatic, 223 Rem, Black Finish


WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

  • Complete Lower
  • Magpul Stock
  • Ambidextrous Controls

Product Description

The Knight's Armament SR-15 IWS Complete Lower Receiver comes with with a Magpul stock and six-position buffer tube.