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Note: In Update #100, the Sentry gun deployable became unlocked by default (though the mechanic of requiring a skill to unlock a sentry gun was reintroduced in the Engineering skill), and the aced effects of this skill were moved to the aced version of Eco Sentry.

Sentry Gun

Sentry Gun
Technician Tier 3
Basic (1 pt): Unlocks the sentry gun for you to use.
Ace (3 pt): Your sentry gun gains 150% more health.

MechanicsEdit

"Fucking Sci-fi robot guns!"
—A law enforcer upon seeing a sentry gun.

The basic version of this skill unlocks the sentry gun for use, an automated defense turret, which can be deployed once in a heist that will function until it is destroyed or it runs out of ammunition. The aced version increases the sentry gun's health by 150%, allowing it to soak up more gunfire before failing.

Without further upgrades, the sentry gun is quite inefficient at killing enemies. It is too underpowered and too inaccurate for later levels. The basic sentry gun is useful as a distraction, as police units tend to focus on the sentry gun rather than the players when the gun is active.

StrategyEdit

Players wishing to use the sentry gun will likely need to invest a large number of skill points into its upgrades in order to make it feasible to use in combat. The various upgrades to the sentry gun are almost necessary for it to perform well on higher difficulties, as its most basic form is feeble at best.

The aced +150% HP upgrade is very invaluable in making the sentry gun into a viable distraction unit at starting levels, where later upgrades are still unavailable. While it is still valuable at the end-game, for players wishing to save on points, it is best to ignore the aced upgrade and instead invest in the aced version of Sentry Combat Upgrade for the shield upgrade, which makes the sentry gun invulnerable from the front. With careful positioning, it is very unlikely that the sentry gun will take any significant damage while it is still active, negating the use of additional health.

Gameplay • Heists • Skills • Weapons & Equipment • DLC
Mastermind
Subtree Tier 1 Tier 2 Tier 3 Tier 4
Medic Combat Medic Combat Medic Quick Fix Quick Fix
Painkillers Painkillers
Uppers Uppers
Combat Doctor Combat Doctor
Inspire Inspire
Controller Forced Friendship Forced Friendship Confident Confident
Joker Joker
Stockholm Syndrome Stockholm Syndrome
Partner In Crime Partners In Crime
Hostage Taker Hostage Taker
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Marksman Marksman
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Aggressive Reload Aggressive Reload
Ammo Efficiency Ammo Efficiency
Enforcer
Shotgunner Underdog Underdog Shotgun CQB U100 Shotgun CQB
Shotgun Impact U100 Shotgun Impact
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Close By Close By
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Tank Thick Skin Resilience Die Hard U100 Die Hard
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Fully Loaded Fully Loaded
Technician
Engineer Third Law Third Law Sentry Targeting Package2 Sentry Targeting
Package

Eco Sentry Eco Sentry
Engineering Engineering
Jack Of All Trades U100 Jack Of All Trades
Tower Defense Tower Defense
Breacher Hardware Expert U100 Hardware Expert Combat Engineering Combat Engineering
Drill Sawgeant Drill Sawgeant
More Firepower More Firepower
Kickstarter Kickstarter
Fire Trap Fire Trap
Oppressor Steady Grip Steady Grip Heavy Impact Heavy Impact
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Ghost
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Nimble Nimble
ECM Overdrive ECM Overdrive
ECM Specialist ECM Specialist
Artful Dodger Duck And Cover U100 Duck And Cover Parkour Parkour
Inner Pockets Inner Pockets
Dire Need Dire Need
Shockproof Shockproof
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Fugitive
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Brawler Martial arts Martial Arts Bloodthirst Bloodthirst
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Counter-Strike Counterstrike
Berserker Berserker
Frenzy Frenzy
Legacy (update #39)
Inside Man • Fast Learner • Smooth Talker • Black Marketeer • Improved Crafting • Blast Radius • Lucky Charm
Legacy (Update #100)
Cable Guy • Endurance • Leadership • Dominator • Kilmer • Gunslinger • Control Freak • Oppressor • Stun Resistance • Tough Guy • Hard Boiled • Carbon Blade • Demolition Man • Nerves of Steel • Sentry Gun • Silent Breaching • Sentry Combat Upgrade • Shaped Charge • Sentry Tower Defense • Mag Plus • Bulletproof • Dead Presidents • Sprinter • Cat Burglar • Fast Hands • Shinobi • SMG Specialist • Lockpicking Expert • Moving Target • ECM Feedback • Spotter • Tactical Mines • Camera Loop • Daredevil • Hidden Blade • Thick Skin • Run And Gun • Brother's Keeper • Winston Wolfe • Undertaker

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