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IRL ColtSAALongBarrel

Colt Single Action Army "Cavalry" model with a 7.5'' barrel

The Colt Single Action Army, also known as the Peacemaker, is an American single action revolver that started production in 1873. Originally produced for the United States government service revolver trials of 1872, the Single Action Army in .45 Colt was the standard service revolver of the United States military between 1873 and 1892, serving alongside the Smith & Wesson Model 3 Schofield revolver. The weapon was popular with both military and civilian markets for its robust qualities and firepower, and became historically associated with the American Wild West. Though officially phased out of military service in 1892, some American officers would continue to carry the Single Action Army in conflicts overseas well into the 20th century, including both World Wars.

A first generation Colt Single Action Army with a 7.5 inch barrel appears as in Battlefield 1 as the Peacekeeper.

Battlefield 1Edit

This item has a Codex entry: Peacekeeper
"According to some, this is the greatest handgun ever made."

— In-game description

The Peacekeeper is an all-kit sidearm available in Battlefield 1. It unlocked as part of the "Masterman" multi-stage easter egg.

The Peacekeeper is a high-damage weapon, with a maximum of ~60 damage when hitting an enemy torso. Besides the standard revolver ability to two-shot kill at close range, the revolver can one-shot kill with a headshot within a similar distance. This makes it fairly unique among revolvers, and only the Obrez Pistol shares such a rapid time-to-kill in the sidearm category. The Peacekeeper also has favorable hipfire accuracy.

The revolver is similar in performance to the Gasser M1870, particularly in its firing characteristics. The Peacekeeper has a very slow rate of fire when aiming down the sights, with the hammer needing to be cocked with the right thumb after each shot. When hipfired, rate of fire is significantly improved as the player fans the hammer with the left hand - like the Gasser, the player can hold Fire to fire the gun "automatically" when shooting from the hip. Being gate-loaded, reloading the Peacekeeper is a lengthy process, but the reload is a dynamic reload which shaves off some time at some capacities:

  • 5 rounds remaining: The user ejects one fired round and loads in a new round.
  • 4: The user indexes four positions clockwise and performs the eject-load cycle two times.
  • 3: The user indexes three positions clockwise and performs the eject-load cycle three times.
  • 2: The user indexes two positions clockwise and performs the eject-load cycle four times.
  • 1: The user indexes one position clockwise and performs the eject-load cycle five times.
  • 0: The user lifts the gun vertically, operating the ejector rod and the cylinder to quickly eject all six fired rounds, then quickly loads all six rounds held in their right hand.

Being a dynamic reload instead of reloading by cycles, reloads cannot be cancelled once started.

One of the more notable features of the Peacekeeper are the grandiose first person animations. When sprinting in a straight line, the player performs a number of handling tricks including spinning the gun around by the trigger guard, throwing it in the air or tossing it from hand to hand. The animations are not performed when standing still, aiming or turning, and can be cancelled immediately by aiming or shooting. Reloads and drawing animations have a similar flourish.


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This article is currently under construction. It may contain little or inaccurate information.
There are 7 steps to unlock the Peacekeeper: A Beginning, A Conflict, An Escalation, An Omen, Angel Sighting, Belly of the Beast, and finally the Peacekeeper itself. Of the above steps, 5 of them reward dog tags. "A Beginning," "A Conflict," and "An Omen" unlock front side dog tags, while "Angel Sighting," and "Unknowable" unlock back side dog tags. "An Escalation" unlocks a unique weapon skin for the M1917 MG.

A BeginningEdit

The longest step of the process, A Beginning requires the player to decipher 8 unique Morse code messages, with another message that is the same for all players.

The first step of A Beginning requires the player to pick up a headphone from any of these locations and take them to the telegraph locations on the map. Upon bringing the headphones to the telegraph station, 2 lights on the station will light up a certain color (to identify which step the player is on) and play the following Morse code message:

"GO STRAIGHT TO <location>. OLD METHODS COMPROMISED. MUST ACQUIRE NEW KEY. WILL MISS DROPOFF IF DELAY OR INCORRECT LOCATION." This message will repeat until the player moves away from the telegraph, at which point it will explode. It is recommended to cause the telegraph to explode after each message to ensure the game registers that the player has received the message, and will not cause the player's message to change. The player will need to decode this message; here is a guide that can help the player in this endeavor. Upon decoding the Morse, the player will receive a location to proceed to. At this location will be a small symbol that only appears when the player is very close to the location, with the first symbol being a line with an arrow at each side pointing to the left and right. A list of symbol locations can be found here. Upon finding the symbol, the player must look at it for a few seconds until they hear an ominous sound effect.

The player then must repeat these steps several times, collecting a set of headphones, taking them to a telegraph, listening to and recording the Morse code, decoding, and deciphering the message to discover where to go next, and then finding the next symbol, looking at it until the sound effect plays, and then repeating the process starting at the headphones. The following shows the message progression and symbols: 

First Light Color: White


First Symbol: Line with arrows pointing both directions

In the second message, the location is sent in reverse .

Second Light Color: Yellow

'Second Message:' "<reversed location> REMEMBER FIRST RULE. IF COMPROMISED L PILL."

Second Symbol: Triangle

In the third message, the location is sent in an Atbash cipher. 

Third Light Color: Purple


Third Symbol: Arrow pointing right

The location in the fourth message is sent in a Caesar cipher with a shift of 7 (N = 19)

Fourth Light Color: Green


Fourth Symbol: Fence

The fifth message is encoded in a reversed rail fence cipher, and can be decoded by first reversing the code and then deciphering it with 5 rails and 0 offset.

Fifth Light Color: Transparent


Fifth Symbol: Row of vertical lines

The sixth message is encoded with 2 ciphers. The message will be sent in only Es (. in Morse) and Ts (- in Morse). First, the player must change all Es to As and all Ts to Bs. Then, the As and Bs must be decoded using a Baconian cipher, and finally the result of the Baconian cipher must be decoded using an Atbash cipher.

Sixth Light Color: Gold


Sixth Symbol: Edward

The seventh message returns to single cipher encoding. This time, it must be decoded with a Vigenere cipher, will the passphrase "Edward"

Seventh Light Color: Pink


Seventh Symbol: George

The eigth message is encoded using a variation of a Vigenere cipher called a Vigenere autokey cipher. This message can be decoded with the passphrase "George" and the alphabet key "ZABCDEFGHIJKLMNOPQRSTUVWXY"

Eigth Light Color: Lime


Eight Symbol: London

The ninth message is unique from all other messages because it is the only message that is the same for all players. The player must only activate the telegraph and begin receiving the morse to progress through this step, no decoding or deciphering required.

Ninth Light Color: Teal


Once the player has received the ninth message, they must proceed to the Giant's Shadow map and head to the balcony at the top of the windmill behind the German spawn, and look up. After waiting for exactly 2 minutes, a bird will fly through the player and a sound effect will play. Upon hearing this sound effect, the player will recieve the "A Beginning" dog tag, which can be found in the Misc. section of the front dog tag list. If it appears that the dog tag is not unlocked even after completing all of the steps listed above, switch to the back dog tag list and then back to the front, and it should be unlocked.

A ConflictEdit

Unlike "A Beginning," "A Conflict" takes place entirely on one map, Soissons, near the Pernant Chateau, or the E flag near the German deployment. It involves the player solving two puzzles, one involving candles within the chateau and the other involving lights on the floor of the chateau.

The first step of "A Conflict" is to destroy every light source within the chateau. This can be accomplished by shooting out the lights in the ceiling and using explosives to put out the candles. Once this is accomplished, an audio cue will be heard alerting the player that they have moved on to the next step. In this step, the base of the candle holders will be interactable. Interacting with a candle causes other candles around it or even itself to turn off or on. The goal of this step is to have all of the candles in the chateau turned back on. This can be accomplished either by the player working it out on their own, or using this app. After pressing a candle seven times, it will begin to only affect one candle rather than multiple. After pressing a candle fourteen times, all candles will reset to off. The candles will also reset if the player waits for four minutes without pressing any candles.

Once all the candles are lit, the same audio cue from before will play, alerting the player that they have moved to the next step. In this step, several small sandbags will spawn near the statue in front of the chateau. These sandbags will only appear once the player is standing near them, and each sandbag is on a certain grid position.

Pillar locations, with the bottom of the image being the back of the chateau

Sixteen pillars of the chateau will also become interactable, with each pillar corresponding to a column or a row. Pressing a pillar that represents a row followed by one that represents a column will light up a tile in the floor of the chateau, while pressing two pillars that both represent a column or row will not light up anything. The goal of this step is to illuminate the tiles that are in the same grid positions as the sandbags near the statue.


Correct orientation of the floor tile grid in relation to the statue

The trick is that the columns and rows represented by each pillar is different for every player, every round, every server, and every pre-round, and there are no apps to help the player on this task. The player must deduce what each pillar represents through trial and error. For example, the player may press Pillar 1 and Pillar 2 with no lights coming on, which tells the player that both pillars represent either a column or a row. Then, the player may press Pillar 1 and Pillar 3, and the grid position 3,5 lights up. This tells the player that one of the pillars represents column 3, and the other represents row 5. Finally the player may press Pillar 1 and Pillar 4, and the grid position 3,7 lights up. This confirms to the player that Pillar 1 would represent column 3, Pillar 3 represents row 5, and Pillar 4 represents row 7. This process must be repeated until the player knows what every pillar represents.


Guide to translating sandbag position to correct tile position

Once this is done, the player must find out which grid tiles have sandbags on them and activate them. After this is completed, a smoke grenade will go off within the chateau, the audio cue will be heard, and the player who activated the final pillar will receive the dog tag. It is important to note that the dog tag ONLY goes to the player who activated the final pillar and no one else.

An EscalationEdit

An OmenEdit

"An Omen" once again requires the player to decode a unique Morse code message in order to solve the puzzle. "An Omen" takes place entirely on Zeebrugge.

In this puzzle, the Morse code is unique for all players, but it is the same message with eight letters missing. The letters that are missing are different for every player, but the full message is "DULCE ET DECORUM EST PRO PATRIA MORI". In order to activate the Morse code, the player must first pick up the Infiltrator kit from the cabin of the HMS Vindictive, which is the E flag in Conquest, and then travel to the water tower on the mainland near the A flag. Once on top of the water tower, the player will begin hearing a Morse code transmission. Once recorded and decoded, the player will discover which letters of the full message they are missing. Each letter corresponds to a number. The player must then convert their numbers into Morse code and work their way to 2 large rooms that each have 4 generators inside. Each generator has 5 switches that are used to input Morse code, with a lit light being a dot and an off light being a dash. The player must input their numbers from left to right in the generator rooms, starting with the generator room closest to the water tower and moving to the one at the end of the docks. When all generators are showing the correct Morse code, a smoke grenade will drop and an audio cue will play, informing the player that they have unlocked the tag. A Google Docs Sheet can be found here that may help the player in this task.


Map of important locations for An Omen

Number correlation for each letter
A = 3 F = 1 M = 9 S = 9
B = 5 G = 8 N = 6 T = 0
C = 1 I = 5 O = 2 U = 3
D = 2 K = 8 P = 0 X = 6
E = 7 L = 7 R = 4 Z = 4

Angel SightingEdit

This step takes place on River Somme, where there is a generator buried underneath a black metal ring in a destroyed factory near Hill 21, or the D flag in Conquest.

Location of the buried generator

First, the player must detonate one or more explosives in the black ring in order to access the generator, which has 5 lights, which can be each turned on or off with a switch, in addition to one more button used to input the lights. This can be done most effectively with a Limpet Charge. Next, the player must input '0627' in Morse code into the machine, with a dot being represented with a lit light and a dash being represented with an unlit light. Once you have put in a number, press the base of the lamp post on top of the generator to input the number, and then all of the lights will reset.

Next, the player must run to the Wellington Farm, or the A flag. Using another limpet charge, destroy the wall of the main house (not barn) at the objective near the fireplace. Then, climb on top of the chimney and look down inside of it to find a switch. If the player cannot see the switch, the must destroy the top of the chimney in order to access the switch.

Finally, return to the generator that was used to input the numbers before, and this time input the number '03222110' in Morse code. Upon completing this step, the player will receive the 'Angel Sighting' dog tag.

Belly of the BeastEdit

This step takes place on Caporetto, behind the Castello Di Solkan, or the B flag in Conquest.

Behind the Castello, there are four angel statues close to each other, and another one further behind the group. The player must use a Limpet Charge to destroy the entire front statue, shoot the head off of the left statue,shoot the torso off of the center statue, and shoot the wing tip off of the right statue. Once the player has successfully completed this task, they will hear a scream. Then, run to the rear statue and interact with it to receive the 'Belly of the Beast' dog tag.

The instructions for this step can be found in the description of the 'Angel Sighting' dog tag.

Final StepEdit

The final step of this lengthy easter egg takes place on Passchendaele and grants the player the Peacekeeper.

In order to complete this step, the player must have unlocked the following items: 'A Beginning' dog tag, 'A Conflict' dog tag, 'An Omen' dog tag, 'An Escalation' weapon skin, 'Angel Sighting' dog tag, and 'Belly of the Beast' dog tag. The player must have one of the first three dog tags equipped as the front dog tag, and one of the last two equipped as the back dog tag, and must be using the M1917 MG with the An Escalation weapon skin applied.

Next, the player must proceed to Adler Ridge, or the E flag in Conquest, and proceed to a blocked entrance underneath the wooden trench bridge near the middle of the objective. The entrance will be labeled with a sign that says "MUNITIONS" which the player must destroy. Inside of the entrance at the top, there will be 2 switched, one in the top left corner and one in the top right. The player must input the word 'Unknowable' in Morse code using these switches, with the left switch being a dot and the right switch being a dash. Timing does not matter in this portion, so just following the correct order will do. The correct order of the switches, with L being Left and R being Right, is: LLR RL RLR RL RRR LRR LR RLLL LRLL L.

If the player enters the correct sequence into the switches, the screen will being to shake, and the rocks blocking the tunnels will explode. Enter the tunnel and use the switch in the middle. Be careful, because once the player uses this switch, they must move quickly. The player will be dropped through a trap door into a room with four hallways. The player then must use the compass in the lower left corner of the screen to navigate through the tunnels, pressing a switch at the end which will open another trap door that allows the player to drop down. Once again, the player must be careful, because they will still take fall damage and damage from the poisonous clouds, so be sure to regenerate before activating the trap doors. Also be aware that standing in the middle of the trap door while pressing the switch may cause the player to take double fall damage, resulting in death, so be sure to stand well away from the door while pressing the switch. The correct sequence of tunnels to follow is: W E S W E W W N S W N W S W S, with N being North, W being West, E being East, and S being South. Once you have gone through all floors, on the last floor (where the player heads south) there will be a crate with the Peacekeeper laying on top. Simply interact with the pistol in order to pick it up. Once this is done, it is added to the player's inventory indefinitely, and can be used across all maps and modes.


  • An easter egg may be triggered randomly when the player runs with the Peacekeeper: the soldier's left hand forms the finger gun gesture and "fires" thrice into the air, while sound clips of the character Neebs from Battlefield Friends mimicking gunfire is played alongside the "firing".[1]