Garrison

Source: npc/quests/gunslinger_quests.txt

1. Go to gunsmith Garrison at que_ng 182,85.
2. Choose I need a Garrison. and accept craft (Yes, make it for me immediately.).
3. Bring Steel x50, Elunium x3, Oridecon x1, Coal x50, Rusty Screws x20, 30,000 zeny.
4. Turn in materials and fee.
5. Reward: getitem 13104,1 (Garrison).

One dialogue line says 50 Rusty Screws, but server check/consumption is 20.