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KWA LM4 Upper Receiver Gen 2 Part 24S One Piece

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KWA LM4 Upper Receiver Gen 2 Part 24S One Piece

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One Piece LM4 Upper Receiver


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Is your LM4 PTR Top Rail loose?  Do you want to mount heavy optics? This 2nd Generation One piece upper reciever from KWA is a direct replacement for your old 1st generation 4 piece receiver.  Make your Training rifle more realistic and more reliable.  The new Gen 2 one piece upper eliminates loose top rails, and the Rear Trunion has been redesigned for a tighter fit in the lower eliminating upper receiver wobble.


LM4 Part 24s Complete One Piece Upper Receiver Features

  • Solid One Piece metal Construction
  • Anodized Black Finish
  • Includes Dust cover and Forward Assist for easy installation.
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