Hop-Up Assembly Specs For the LM4 Series, PTS Masada, PTS AR-15, and PTS MATEN

The LM4 Series hop up assembly is the same one that is found in KWA's PTS gas blowback rifles, such as the Masada, MATEN, and the MKM Mega Arms AR-15s. You can find the assembly parts, along with their "common" part numbers listed in the diagram below: