- Left side extended (ESSL)
- Right side standard length
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The U.S. made 0,1 ESSL goes perfectly with the U.S. made 0,1 trigger pack that I also purchased fro...
The U.S. made 0,1 ESSL goes perfectly with the U.S. made 0,1 trigger pack that I also purchased from HKparts. Installed both the ESSL and the trigger pack on a spare Navy lower housing that I have. Thanks HKparts.net!