| [ | These machines will end you before you even make a spark. ―Mechanic describing his creations. 
|
] |
Sentries are mechanical operating turrets that fire at the closest enemy with bullets and rockets. They can be built by the Mechanic, and come in three levels. It costs 130 metal to build a sentry, and 200 metal to upgrade it.
When sentries aren't attacking, they will be facing around 180 degrees about the direction its facing, constantly rotating left and right. The sentry can detect enemies in a full 360 degrees but can attack only them if the opponent is within 10 degrees of the sentry nozzle. It will take some time to attack if the sentry has rotate out of the aforementioned 180 degrees. Sentries rotate at a speed of 180 degrees per 0.6 seconds if it detects a player. Sentries have a range of 68.75 studs.
Tactics
| Image | Level | Modifications | Kill Icon | |||||
| Health | Bullet damage | Sentry fire-rate | Bullet DPS | Rocket damage | Physical changes | |||
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1 | 150 | 16 | 0.225s | 71.11 damage / second | N/A | 
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2 | 180 | 16 | 0.135s | 118.52 damage / second | N/A | Main turret and structure gets revamped which has raised up a bit, along with an ammo belt and 2 Gatling guns replacing the singular-barrelled machine gun. | 
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3 | 216 | 16 | 0.135s | 118.52 damage / second | 50-150 damage | The two Gatling guns were moved apart from each other while three missile silos appear from where the guns initially were. | 
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Tips
- Annihilator's Grenade Launchers and Sticky Bombs and Trooper's Rocket Launchers are excellent at destroying Sentries, while Agents can use Sappers to destroy them. Watch out for these classes in case they attempt to destroy your sentry.
- Watch out for Troopers using the Direct Hit and Annihilators with the Iron Force, as they are capable of destroying Sentries with a few hits.
- Also watch out SuperCharged Doctors with the Medigun or Rejuvenator, as the Doctor and his teammate can take out Sentries with ease.
- Always be on the lookout for Disguised Agents. Sentries cannot attack Disguised Agents without the use of the Wrangler.
- Always maintain the ammo of the Sentry, Sentry Ammo can run out but can be refilled using the Wrench.
- Place Sentries on chokepoints, behind frontlines, or in unpredictable spots. They are excellent at area denial.
- Sentries, despite their high health and damage, are not damage sponges or a killing machine. They struggle against groups of enemies.
- Move the Sentry around every few kills or assists to keep the enemy team on their toes.
- The Sentry provides an excellent fallback option, run back to the Sentry when on low health to let the Sentry take care of the enemy.
- This strategy applies to all classes, fall back to the Sentry to finish off or punish an overextending opponent when at low health.
| [ | I love this little thing. ―Mechanic to his miniature sentry.
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] |
The Mini-Sentry is a miniature version of the stock sentry that can be accessed by the Gunslinger melee weapon. It shares the same model as the normal sentry but scaled down to a quarter of its size, a hand crank, its long oval-shaped beep indicator removed and three white stripes on the top.
When mini-sentries aren't attacking, it will be facing around 180 degrees about the direction its facing, constantly rotating left and right. The mini-sentry can detect enemies in a full 360 degrees but can attack only them if the opponent is within 10 degrees of the mini-sentry nozzle. It will take some time to attack if the mini-sentry has rotate out of the aforementioned 180 degrees. Mini-sentries takes 4/9 of a second to rotate 180 degrees if it detects a player.
Tactics
| Image | Modifications | Kill Icon | |||
| Health | Bullet damage | Sentry fire-rate | Bullet DPS | ||
 |
100 | 8 | 0.18 | 44.44 damage /second | 
|
Tips
- Mini-Sentries are much more disposable than their Stock counterpart. Expect the Mini-Sentry to be destroyed much more often.
- Despite this, they still serve the same purpose as a Stock Sentry, only much more offensively, which is Area Denial and punishing overextending enemies.
- Hiding the weapon to only have the barrel stick out, i.e. behind a bush or a corner, will make it even more difficult for an opponent to detect the Mini-Sentry.
- Place the Mini-Sentry where enemies frequently pass through.
- Placing Mini-Sentries where a Sentry would normally go is not recommended, as they do not provide long-term defense.
- A wrangled mini-sentry has the fire rate of a level 2 and 3 sentry.
- In exchange, the Mechanic loses his secondary slot for a controllable Mini-Sentry. Consider using the Pistol since it has much more general combat use.
- Fighting alongside the Mini-sentry forces the opponent in a 2v1 situation, forcing them to take both the Mechanic and the Mini-sentry.
- Do not stand near the Mini-Sentry, this makes it easier for every class since they only have to shoot in one direction.
- Direct Hit Troopers and Grenade Launcher Annihilators can one-hit mini-sentries, making them a deadly threat. Deal with them first before placing a Mini-Sentry.
Related Achievements
See also: Achievements
Trooper
Scrap Heap
As a Trooper, destroy a Mechanic's mini-sentry 5 times in a single round.
Arsonist
Kick the Bucket
Destroy a Level 3 Sentry with its own rocket.
Annihilator
Nest Pest
Kill a Mechanic, his Sentry Gun, and his Dispenser with a single detonation of your sticky bombs.
Brute
Baby Killer
As a Brute, destroy a level Sentry Gun before it can fully build.
Mechanic
Mangled by the Wrangle
Kill 5 enemies with one use of the Wrangler.
Unpretentious Intelligence
Wrangle your sentry gun for over 2 minutes straight.
Unintelligent Sport
Have your sentry gun kill an enemy immediately after they pick up the intelligence.
No Time Wasted
Kill an enemy with a revenge crit less than 5 seconds after your sentry is destroyed.
The Organ Trail
Rack up 2170 kills with your sentry gun.
Unconventional Sniper
Kill an enemy with the Wrangler from a long way away.
Agent
Incompetent Guard
Successfully sap a sentry gun after it triggers your feign death.
Update History
 |
"Hello, did you think I would forget about this?" The Update History section is missing key information. Please assist the Wiki in adding any missing info. |
August 22, 2017 (Rehaul)
- The sentry's spotting has a delay before it actually shots, hiding behind a cover will reset the delay.
- A level 1 sentry delays for 0.5 seconds before firing.
August 29, 2017 (Rehaul)
- Added modifications for sentries however restoring and upgrading the building aren't added yet.
August 29, 2017 (Rehaul, #2)
- Mechanic's interaction with the sentry is now added.
August 30, 2017 (Rehaul)
- Changed the way wrenchboosting constructions work should be faster.
- Construction time is 10.5 if not wrenchboosted the entire time.
- Construction time is 4.2-4.8 if wrenchboosted the entire time.
August 31, 2017 (Rehaul)
- Added sentry rockets.
September 3, 2017 (Rehaul)
- Fixed sentries being immune to damage.
September 5, 2017 (Rehaul)
- Fixed explosive projectiles going through sentries and doing Old Bison damage to players.
September 6, 2017 (Rehaul)
- Fixed overhealing update breaking sentries information.
September 25, 2017
- Sentries doesn't damage SuperCharged players anymore.
June 16, 2018 (TCtully Update)
- Fixed an issue where it redeploys a level 2 sentry instead of a level 3 sentry.
- Fixed sentry upgrading taking 25 metal when upgrade progress is at 195/200, 190/200, ect.
August 1, 2018
- Redeployed sentries fill up their health now.
August 8, 2018
- The user's sentries will not shoot through their own dispensers anymore.
August 14, 2018
- Added sentry knockback.
August 18, 2018
- Sentries instantly level up to 3 after deploying animation finishes when deployed in a setup time.
- Halved sentry reaction time.
August 18, 2018 (#2)
- A sphere will represent the sentry's range when hauling it.
August 21, 2018
- Knockback on ragdolls is based on the source it came from sentries and only applies if the damage done to, it exceeds to 7.
August 22, 2018
August 22, 2018 (#2)
- Fixed sentries shooting through the wooden plank area in Calamity.
August 23, 2018
- Removed knockback resistance against sentries for bosses.
August 23, 2018 (#2)
- Fixed sentry rockets not being interpolated.
August 23, 2018 (#3)
- Sentries can deal mini-crits now.
August 27, 2018
- Mad Mechanic's rage doesn't stun sentries anymore.
September 4, 2018
- Knockback from sentry guns reset fall damage.
September 14, 2018
- Fixed sentry rockets delaying the sentry's bullets.
- Fixed sentry rockets not affecting its user.
September 14, 2018
- The killcam zooms onto the sentry if you get obliterated by one instead of the user who built it.
September 14, 2018 (#2)
- The damage taken indicator points towards the sentry if you're hit by one.
September 14, 2018 (#3)
- Sentries rotate based on degrees.
- If you're behind the sentry, it takes longer for it to lock onto you.
- If you're in front of the sentry, it's almost instant to lock onto you.
September 28, 2018
- Tweaked sentry tracking.
- Level 3 sentries take a full second to turn if they're 180 degrees away from its target instead of the previous 0.2 seconds.
October 5, 2018
- Sentry hitbox size depends upon what level the sentry is.
October 6, 2018
- Repairing sentries takes up 35 metal and the repairing amount is 3x the metal cost instead of 100.
October 6, 2018 (#2)
- Fixed not being able to refill sentry rockets after the previous update.
October 8, 2018
- Fixed being able to build sentries in Medieval.
July 30, 2019
- Fixed sentries not being able to see through the radio tower in Rooftop.
August 23, 2019
- Sentry knockback is completely nullified by Mantreads.
August 26, 2019
- Sentries don't deploy at level 3 anymore in Vs. Bosses.
August 29, 2019
- Fixed sentries not firing rockets.
- Fixed getting stunlocked under the effects of knockback.
September 13, 2019
- Increased sentry rockets' knockback by 66%.
- Halved the height of the sentry rocket's knockback.
September 14, 2019
- Fixed sentries not finishing construction in Vs. Bosses.
September 14, 2019 (#2)
- Reduced fire rate bonus for wrangled sentries from 100% (doubled) to 50%.
October 4, 2019
- Sentry bullets have damage falloff. (down to 50%)
- Damage falloff only occurs on sentry bullets when under the effects of the Wrangler.
October 25, 2020
- Added new firing sounds.
February 18, 2021
- Sentry rockets and bullets now have rampup and falloff modifiers to their damage.
- Fixed an issue where sentries could deal damage to their owners' buildings.
February 18, 2021 (#2)
- Changed attack interval:
- Level 1 sentry:
- 1/3 to 0.225.
- (wrangled) 1/6 to 0.135.
- Level 2, 3 sentries, mini-sentry:
- 1/6 to 0.135.
- (wrangled) 1/12 to 0.09.
- Level 1 sentry:
- Sentries take 0.6 seconds to rotate 180 degrees, mini sentries take 4/9 seconds to rotate 180 degrees.
- Sentries will shoot when they're within 10 degrees of the target.
- Fixed sentries ignoring self-damage to the Mechanic who built it when shooting enemies.
- Reduced chances of server lag affecting sentry's fire rate.
- Optimized sentries.
February 26, 2021
- Fixed killcam on sentries not working.
March 25, 2021 (Fit with Fitten)
- Killcam also zooms onto sentries when getting killed by a mini-sentry.
- Fixed sentries being able to deal critical hits.
March 29, 2021
- Mechanics take 50% self-damage from their own sentries when wrangled.
June 15, 2021
- Reduced sentry knockback by 62.5%.
July 31, 2021 (Total Anarchy)
- Doubled Mechanic's self-knockback from sentries. (except for rockets)
June 14, 2022
- Adjusted hitbox.
- Fixed an issue where sentries does not beep. (Undocumented)
June 15, 2022
- Potentially fixed the turret model not attaching to it's stand.
July 12, 2022 (A "Heavy" Update)
- Level 3 sentry's rocket model is replaced with a brick. (Undocumented)
August 10, 2022
- Fixed an issue where level 2/3 sentry firing the exact same as level 1 sentry. (Undocumented)
November 24, 2022
- Sentries now use new wait function to avoid throttling.
July 14, 2023 (The Update with Patches And Content)
- Leg positions and LVL 3 sentry's projectile model were fixed. (Undocumented)
December 24, 2023 (Kringle's Annual New Year Expansion)
- Sentries now emits bullet trails, which is visible on higher graphic settings. (potentially false)
- Sentries will shoot disguised Agents during humiliation. (Undocumented)
January DD, 2024
- Fixed the muzzle flash effects. (Undocumented)
January 27, 2024
- Fixed a bug where the Mini-Sentry would not count towards a Strange Wrenches' Sentry Kills counter.
July 14, 2024 (Summer FM)
- Sentry rockets now count towards the sentry’s kill count.
August 10, 2024 (Summer AM)
- Fixed sentries continuing to track players while sapped.
November 4, 2024
- Fixed a bug where Sentries would not fire rockets.
November 4, 2025 (Typical Horrors V)
- Increased the Mini-Sentry's construct speed by +150%.
- Removed the hidden damage penalty on mini-sentries.
November 23, 2025
- Reduced the turning speed of Sentry Guns.
December 30, 2025
- Fixed a bug where the Sentry Gun would sometimes erroneously fire after losing its target.
December 30, 2025 (#3)
- Increased the Mini-Sentry's deploy speed from 2 seconds to 4 seconds.
January 3, 2026
- Mini sentry deploy time tweaked lower to better match 4 seconds.
June 20, 2026 (Just Enough Slots)
- Fixed Sentries and Mini-Sentries staying built when changing from a Wrench to the Gunslinger and vice versa.
Bugs
- Sometimes when destroying a building the kill feed will show your display name and your username as an assisted building kill.
- After upgrading, the model of the sentry positions in a weird direction and the turret shifts away as it floats apparently.
- After The Update with Patches And Content, the leg positions were fixed except for the turrets.
- If you deploy your sentry in a quick manner, the sentry will break if you're affected by extremely high ping.
A Level 3 Sentry turret separated from its legs.
A glitched Sentry.
Trivia
Mini-Sentry in wireframe with errors spotted.
Height comparison of each sentry level.
The only sentry muzzle flash effect parts in the game files. ('Flash' is the single flash effect for the level 1 sentry and 'Flash2' and 'Flash3' are the main effect for the level 2 sentry)
- Sentries were the first building ever implemented in the game during the early stage of pre-rehaul.
- The current models of the sentries were made somewhere in early 2016 with Roblox's solid modeling.
- The design is inspired by the previous sentry models.
- The Mini-Sentry model has some unknown polygon errors due to being made with wedges.
- A Level 3's rockets can be damage-boosted with critical hits and mini-crits.
- The projectile model of level 3 sentry's rockets reuses the Great Unifier's projectile model.
- The wind up key on the Mini-Sentry is the Wind Up Key from the Avatar Shop.
- In Randomizer, a Mechanic can control his sentry by entering the scoped view with the Sniper Rifle or charging it using left mouse button with the Classic.
- The sentry's bullets start from it's base.[1]
Gallery
Levels
Level 1 Sentry Gun.
Level 2 Sentry Gun.
Level 3 Sentry Gun.
Mini-Sentry Gun.
Level 1 Sentry Gun idle animation.
Level 2 Sentry Gun idle animation.
Level 3 Sentry Gun idle animation.
Mini-Sentry idle animation.
Build to level 3 animation.
GUIs
Level 1 sentry symbol.
Level 2 sentry symbol.
Level 3 sentry symbol.
Mini-sentry symbol.
Sentries when sapped.
Level 1 Kill icon. (2016-2022)
Level 2 Kill icon. (2016-2022)
Past Designs
2015 Typical Colors deployed building model.
Level 1 Sentry from Roblox Fortress 2. (2014)
Level 1 Sentry from Typical Colors. (2015)
Level 2 Sentry from Roblox Fortress 2 & Typical Colors.
Level 3 Sentry from Roblox Fortress 2 & Typical Colors.
Toad_85's design.
Old design of the current level 1 sentry model.
Level 1 Sentry deploying animation. (2016)
Level 2 Sentry deploying animation. (2016)
Level 1 Sentry muzzle particle effect. (2016)
Level 2 Sentry muzzle particle effect. (2016)
Muzzle particle effect. (2018)
Level 1 Sentry gibs. (2016)
Level 2 Sentry gibs. (2016)
The sentry blueprint. (2016-2022)
The sentry blueprint from Roblox Fortress 2. (2014-2016)
Concepts
MidnightKrystal's concept of GRN sentries during 2017.
MidnightKrystal's concept of RED sentries during 2017.
Deploying animation concept of the early theoretical sentry concept.
![MidnightKrystal's early design of the theoretical sentry concept.[2]](/wiki/File:Early_design_of_the_theoretical_sentry_concept.jpg "Early design of the theoretical sentry concept.jpg (155 KB)")
MidnightKrystal's early design of the theoretical sentry concept.[2]
Mini-Sentry theoretical concept.
MidnightKrystal's theoretical sentry concept.
MidnightKrystal modeling her theoretical sentry concept in blender.
Miscellaneous
Level 3 Sentry projectile model.
Mad Mechanic's sentries.
GRN sentries when Team Fortress 2 is worn.
GRN wrangler shield.
RED wrangler shield.
A render used for the loading screen including a level 3 sentry.
A showcase of the level 1 sentry being controlled with the Classic.
The original beep emoji from the official Typical Colors 2 Discord.
Other Pages
