11 Umarex Colt Peacemaker Airsoft of 2026 For the Right Caliber

1

Umarex Colt Peacemaker Revolver Single Action Army Six-Shooter .177 Caliber

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• ARS Mark

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  9.4
• Brand
  Umarex

Key specs2

Ammunition Compatibility

Designed exclusively for single .177 caliber pellets in compatible Peacemaker revolvers like model 2254051. These casings cannot hold 6mm airsoft BBs or steel BBs.

Cylinder Fit

Direct fit for Colt Peacemaker model 2254051

Pros & cons32

Pros

• Holds individual .177 caliber pellets for authentic cylinder loading in Peacemaker revolvers
• Distinct silver finish makes pellet casings easy to distinguish from gold BB shells
• Direct factory fit for model 2254051 Single Action Army pellet revolvers

Cons

• Does not chamber 6mm plastic airsoft BBs or .177 steel BBs
• Includes only 6 casings without pellets or CO2 cartridges

2

Umarex High-Grade CO2 Cartridges for Pellet Guns, BB Guns and

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  9.4
• Brand
  Umarex

Key specs2

Power Compatibility

Standard 12-gram size fits directly into the grip frame of Umarex Single Action Army revolvers, airsoft pistols, and BB replicas.

Capsule Quantity

12 individual 12g cartridges

Pros & cons32

Pros

• Provides 12 standard 12-gram CO2 capsules compatible with Peacemaker grip compartments
• High-grade design works across CO2 pellet revolvers, BB guns, and airsoft sidearms
• Compact 12-pack size stores easily in shooting bags or range gear

Cons

• Listing does not specify the exact shot count per capsule for Peacemaker models
• Offers fewer capsules per order than bulk 30-count packages

3

Umarex High-Grade CO2 Cartridges for Pellet Guns, BB Guns and

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  9.4
• Brand
  Umarex

Key specs2

Valve Protection

Clean CO2 helps prevent internal valve fouling and seal degradation during extended shooting sessions with Umarex revolvers.

Pack Size

30 individual 12-gram capsules

Pros & cons32

Pros

• Clean formulation helps protect internal valve seals from clogging during long sessions
• High-volume 30-count pack supports extended plinking sessions without frequent reordering
• Standard 12-gram size fits CO2 pellet revolvers, steel BB guns, and airsoft sidearms

Cons

• Shipping restrictions limit delivery to select zip codes
• Total shot count per capsule varies depending on airgun valve efficiency and temperature

4

Tactical Force Premium Biodegradable 6mm Airsoft BBS Ammo .20 Gram

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  9.4
• Brand
  Umarex

Key specs2

Airsoft Field Readiness

Made for 6mm airsoft skirmishes with biodegradable material. These plastic BBs are too large for .177 Peacemaker pellet or BB shells.

Projectile Diameter

6mm plastic (0.20g)

Pros & cons42

Pros

• True 6mm diameter fits dedicated airsoft guns rather than .177 metal airguns
• Biodegradable construction breaks down outdoors for field and backyard skirmishes
• Polished smooth exterior supports consistent feeding in airsoft magazines
• Generous 10,000-round tub supplies extensive target practice and skirmish rounds

Cons

• Will not fit .177 caliber Peacemaker pellet or BB shells
• Requires a dedicated 6mm airsoft replica rather than a metal airgun

5

Soft Air USA Colt 10,000 Count Ultrasonic .12g Airsoft BBs

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  9.4
• Brand
  Fire Power

Key specs2

Starter Package

• 10,000 ultrasonic .12g 6mm camo BBs
• Officially licensed Colt .25 spring pistol
• 30-day manufacturer warranty

Ammo Class

6mm plastic airsoft only (.12g)

Pros & cons33

Pros

• Includes 10,000 ultrasonic .12g 6mm plastic BBs for basic airsoft target practice
• Comes with an officially licensed Colt .25 clear spring-powered airsoft pistol
• Lightweight .12g BBs provide easy plinking in low-power spring airsoft guns

Cons

• Ultrasonic 6mm BBs cannot chamber in .177 caliber Peacemaker revolvers
• Lightweight .12g BB weight drifts outdoors compared to heavier .20g competition ammo
• Included spring pistol requires manual cocking for every single shot

6

Colt Peacemaker Revolver Single Action Army Six-Shooter .177 Caliber Air

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  9.2
• Brand
  Umarex

Key specs3

Velocity Rating

Up to 380 fps (.177 pellet)

Action and Caliber

Authentic single-action revolver with all-metal frame. Loads six individual cartridges chambered specifically for .177 lead pellets, not 6mm airsoft.

Loading Mechanism

Features realistic six-round cylinder loading via individual cartridges, powered by a 12-gram CO2 capsule hidden inside the grip.

Pros & cons43

Pros

• All-metal frame and realistic single-action mechanism replicate authentic frontier handling
• Fires .177 caliber pellets from individual metal cartridges at velocities up to 380 fps
• Includes 6 reusable silver pellet casings for true single-action loading and extraction
• Uses standard 12-gram CO2 cartridges housed neatly inside the pistol grip

Cons

• Fires .177 metal pellets, making it strictly prohibited on organized airsoft fields
• Requires manual hammer cocking before every shot just like an original Single Action Army
• CO2 cartridges and pellets must be purchased separately

7

Umarex Colt Peacemaker Revolver Single Action Army Six-Shooter .177 Caliber

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  9.2
• Brand
  Umarex

Key specs3

Muzzle Velocity

Up to 410 fps (.177 steel BB)

Frame Construction

Solid metal frame with silver finish and realistic weight at 2.45 pounds, replicating authentic Single Action Army handling.

Cartridge System

Cycles six individual casings engineered for .177 steel BBs. Unsafe for airsoft games where only 6mm plastic BBs are permitted.

Pros & cons43

Pros

• Delivers velocities up to 410 fps using .177 caliber steel BBs
• Authentic all-metal construction with a silver finish weighing a realistic 2.45 pounds
• Includes 6 individual BB cartridges for realistic hammer-cocking and cylinder cycling
• Conceals standard 12-gram CO2 cartridges directly inside the revolver grip

Cons

• Shoots .177 metal BBs that cannot be used in organized airsoft games
• Smoothbore BB setup lacks the rifled target accuracy of pellet revolvers
• CO2 cartridges and steel BBs are not included in the box

8

Umarex Colt Peacemaker Revolver Single Action Army Six-Shooter .177 Caliber

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  9.2
• Brand
  Umarex

Key specs2

Shell Identification

Gold-colored finish distinguishes these steel BB casings from silver pellet shells, preventing ammunition mix-ups during reloading.

Model Support

Fits Colt Peacemaker BB gun 2254048

Pros & cons32

Pros

• Distinct gold finish prevents mixing BB casings with silver pellet shells
• Factory fit engineered specifically for Colt Peacemaker BB gun model 2254048
• Holds individual .177 caliber steel BBs for realistic cylinder reloading

Cons

• Not compatible with .177 lead pellets or 6mm airsoft BBs
• Package contains only 6 shells without replacement CO2 or steel BBs

9

Colt Commander Blowback Metal Frame .177 BB Gun Air Pistol,

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  8.8
• Brand
  Umarex

Key specs3

Magazine Capacity

18-round drop-free magazine

Blowback Mechanism

Full metal slide cycles back with each trigger pull to simulate firearm recoil, firing .177 steel BBs at up to 300 fps.

Safety Controls

Features an authentic manual grip safety alongside commander-style hammer and adjustable tactical sights.

Pros & cons43

Pros

• Metal frame with realistic blowback action mimics classic 1911 slide movement
• Drop-free magazine holds 18 steel BBs for rapid target plinking
• Equipped with functional manual grip safety, tactical sights, and commander hammer
• Hits velocities up to 300 fps powered by a single 12g CO2 cartridge

Cons

• Shoots .177 metal BBs, barring it from any 6mm airsoft skirmish field
• Blowback slide action consumes more CO2 than non-blowback revolvers
• Not a Single Action Army revolver design if you specifically want western styling

10

Umarex Colt 6" Python .357 Caliber Steel BB C02 Air

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  8.6
• Brand
  Umarex

Key specs2

Revolver Styling

Modern Colt Python profile with a 6-inch barrel and powdered black finish, contrasting with western Single Action Army models.

Propellant Type

12g CO2 powered

Pros & cons33

Pros

• Replicates the iconic Colt Python double-action revolver with a 6-inch barrel profile
• Powered by standard 12-gram CO2 cartridges for easy backyard plinking
• Powdered black exterior provides a durable, non-reflective tactical revolver finish

Cons

• Shoots steel BBs rather than 6mm plastic BBs, making it forbidden on airsoft fields
• Does not offer classic Single Action Army western styling or loading-gate handling
• Listing does not state cylinder capacity or maximum velocity ratings

11

Umarex XBG .177 Caliber BB Gun Air Pistol , Black

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  8.4
• Brand
  Umarex

Key specs2

Shooting Platform

A modern semi-automatic steel BB pistol. Does not feature revolver cylinder cycling or compatibility with 6mm airsoft pellets.

Caliber Standard

.177 caliber steel BB

Pros & cons33

Pros

• Compact, lightweight design provides convenient handheld target plinking
• Fires standard .177 caliber steel BBs powered by 12-gram CO2 capsules
• Straightforward semi-automatic operation without manual hammer-cocking steps

Cons

• Fires metal BBs and cannot be brought to 6mm plastic airsoft games
• Lacks the metal frame, shell-loading realism, and western design of the Peacemaker
• Listing does not state magazine capacity, FPS velocity, or included accessories

Last update on 2026-10-12 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

Does the Umarex Colt Peacemaker shoot 6mm airsoft BBs or .177 metal ammunition?

The Umarex Colt Peacemaker Single Action Army models highlighted here shoot .177 caliber metal ammunition rather than 6mm plastic airsoft BBs. Umarex manufactures this metal six-shooter in two dedicated formats: one designed for .177 caliber lead pellets and one built for .177 caliber steel BBs. Standard 6mm plastic BBs do not fit the individual cartridge chambers or the .177 bore. Always check the barrel and frame markings to ensure you buy the correct metal ammunition for your revolver.

Can you use a .177 Colt Peacemaker revolver at an airsoft field?

No. Airsoft fields strictly ban .177 caliber airguns because high-velocity metal pellets and steel BBs create serious safety hazards for players. The Umarex Colt Peacemaker air pistol line is made specifically for backyard plinking and target practice on private property. If you want authentic handling and multi-shot practice in your own yard, a dedicated CO2 BB gun provides realistic cycling within a safe, controlled setting. Metal airguns must never be brought to an organized airsoft skirmish.

Can you swap pellet shells and steel BB shells in the same cylinder?

No, the shells are not interchangeable between models. The Colt Peacemaker pellet gun (model 2254051) relies on silver spare pellet capsules (part number 2254052) designed specifically to seat .177 pellets. The Colt Peacemaker BB gun (model 2254048) requires gold spare BB capsules (part number 2254049) sized exclusively for .177 steel BBs. Loading ammunition into the wrong shell type can cause feeding jams and prevent the cylinder from cycling freely.

What velocity does each Colt Peacemaker air pistol achieve?

Muzzle velocity varies based on whether you choose the pellet or the steel BB model. The Colt Peacemaker .177 pellet gun shoots pellets at up to 380 fps from its all-metal frame and individual shells. The Colt Peacemaker .177 BB gun drives steel BBs at up to 410 fps. By comparison, semi-automatic models such as the Colt Commander blowback air pistol reach up to 300 fps. Always select an appropriate backstop rated to handle these specific velocity levels.

Which 12-gram CO2 cartridges protect the internal seals from damage?

Umarex high-grade 12-gram CO2 cartridges are engineered to protect your airgun valves by keeping them clean during discharge. Low-grade gas canisters often carry loose manufacturing residues and heavy oils that foul the valve assembly and cause premature seal failure. Clean 12-gram CO2 cartridges preserve consistent pressure and extend internal valve life. Whether shooting a single-action revolver or transitioning to a precision tactical air rifle, running clean gas protects your equipment from unexpected leaks.

How do you quickly tell pellet shells apart from steel BB shells?

Umarex uses distinct shell colors so you can quickly identify the correct cartridge for your revolver. Silver cartridges (part number 2254052) are built exclusively for .177 pellets in the pellet-firing Peacemaker (model 2254051). Gold cartridges (part number 2254049) are built exclusively for .177 steel BBs in the BB-firing model (model 2254048). Verifying the capsule color before loading ensures smooth cylinder rotation and prevents misfires.