Original Tokyo Marui manuals are primarily in Japanese , though they include detailed diagrams and some basic English safety warnings. For full English translations, you may need to refer to community-translated guides often found on forums like Reddit's r/airsoft . Glock 17 User Manual - Tokyo Marui - FourLeaf.ie
Depending on the specific generation of your Glock 17, you can find the relevant manuals here: Tokyo Marui Glock 17 Instruction Manual
A digital copy is hosted by retailers like Firesupport for user reference. Where to Find Physical Replacement Manuals Original Tokyo Marui manuals are primarily in Japanese