Is your LM4 PTR Top Rail loose? Do you want to mount heavy optics? This 2nd Generation One piece upper receiver 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.
This assembly is compatible with all KWA LM4 models, including the LM4, LM4C, and LM4 RIS, and comes with parts 24, 28, 29, 30, 31-5, 32, 35, 77, 78, 79, 105, 109, 184, 196, and 209 preinstalled.