Lead tech Josh takes you through removing, changing and adjusting an LM4 GBBR Hop-Up unit. ...
To view the manual, please see the attachment. ![][1] ![][2] ![][3] [1]: https://hf-files-oregon.s3.amazonaws.com/hdpvipairsoft_kb_attachments/2015/08-27/6805b408-cb56-4890-89ec-8f74dce18ccc/KWA%20LM4%20PTS%20Magpul.jpg [2]: https://hf-files-oregon.s3.amazonaws.com/hdpvipairsoft_kb_attachments/2015/08-27/8...