The Gunslinger's Hideout is a structure available to Tychus Findlay in Co-op Missions. It allows him the option to recruit Crooked Sam, and Sirius, his high damage "Gun" options, as well as upgrade them with gear. It also holds the upgrades for Tychus himself. It is likely based on the merc compound.
KD9a Implosion Core
Allows Shredder Grenade to pull affected units to the center of its area of effect, stunning them for 2 seconds.
Lone Wolf: Increases the KD9a Implosion Core cost by 25%.
Equips Sirius with missiles that deal 100 damage to 8 air targets (or 800 damage to 1 air target). Warhound turrets deal 100 damage to 2 air targets (or 200 damage to 1 air target). Can be set to autocast.
Technical Recruiter: Reduces the SA-55 Thunderbolt Missiles cooldown by 35%.
Lone Wolf: Increases the SA-55 Thunderbolt Missiles cost by 25%.
Provides a 30% chance for Sirius to cast Fear in a small area with each attack. Enemy units in the area will run around in fear for 3 seconds. Warhound Turrets have a 3% chance to cast Fear with each attack.
Lone Wolf: Increases the Moebius M34 Terror Rounds cost by 25%.