Sig Sauer P229 CO2 Semi Automatic Air Pistol (.177 / BB)
The SIG Sauer P229 CO2 Semi Automatic Air Pistol delivers realistic handling with its full metal construction, authentic weight and semi-automatic blowback action. Chambered for both .177 lead pellets and 4.5mm steel BBs, it offers excellent flexibility for target shooting and training. Key features include an optics-ready slide, Picatinny accessory rail, functional decocker/safety lever, E2 ergonomic grip and SIG Sauer’s toolless cam-lever CO2 loading system for quick and easy cartridge changes.
The SIG Sauer P229 CO2 Semi Automatic Air Pistol brings the proven feel of the iconic P229 platform into a realistic .177 air pistol format. Built with full metal construction, it delivers authentic weight, balance and handling, making it an excellent choice for training, target shooting or serious back garden plinking.
Powered by a 12g CO2 capsule, the P229 features a semi-automatic blowback action that cycles the slide with every shot, creating a solid recoil impulse for a more immersive shooting experience. It is capable of firing both .177 lead pellets and 4.5mm steel BBs, giving shooters added flexibility depending on their chosen ammunition.
Externally, this pistol features the modern E2 ergonomic grip, which houses SIG Sauer’s patented cam-lever CO2 loading system. This clever design allows quick, toolless CO2 cartridge changes, making the pistol simple and convenient to operate. The pistol also includes a functional decocker/safety lever, DA/SA trigger, fixed white dot contrast sights and a Picatinny accessory rail.
One of the standout upgrades is the optics-ready slide, designed to accept the SIG AIR Reflex Sight, allowing shooters to add a red dot sight and enhance their aiming setup. The P229 also features a rifled steel barrel, an M14x1 CCW threaded muzzle with knurled thread protector, and a drop-free 16-shot magazine using twin 8-shot rotary discs.
With a velocity of up to 380 FPS, a realistic weight of 1.0kg, and compatibility with both pellets and BBs, the SIG Sauer P229 CO2 Air Pistol is a superb blend of authentic handling, modern features and dependable SIG AIR performance.
- Action Type Semi-Auto Blowback
- SIG AIR Reflex Sight Ready Yes
- Accessory Rail Picatinny Rail
- Operating System CO2
- Sights Fixed / White Dot Contrast
- Calibre .177 cal / 4.5mm Steel BB
- Optimal Pellet Weight Range 5.0gr - 8.0gr
- Magazine Included 1 x 16rd Magazine, 8x2 Rotary System
- Overall Length 7.7" / 195.5mm
- Trigger Weight 8.0 lbs / 4.0 lbs
- Muzzle Velocity Up to 380 FPS / 116 MPS with 7.71gr
- CO2 Cylinder Size 12g
- Weight 35.2 oz / 1.0kg
- Full metal construction for a realistic feel, weight and balance
- Authentic P229 design, closely mirroring the handling and controls of the firearm platform
- Semi-automatic blowback action for a more immersive shooting experience with realistic slide movement
- Solid recoil impulse to help replicate the feel of shooting a semi-auto pistol
- Dual ammunition compatibility, allowing use with both .177 lead pellets and 4.5mm steel BBs
- Optics-ready slide, designed to accept the SIG AIR Reflex Sight
- E2 ergonomic grip for improved comfort, control and handling
- Patented cam-lever CO2 loading system for quick, toolless CO2 cartridge changes
- Drop-free magazine for a more realistic loading and reloading experience
- Twin rotary disc magazine system with magnetic retainers for reliable ammunition handling
- Rifled steel barrel to support improved accuracy when using pellets
- Threaded muzzle with knurled thread protector for a more tactical, firearm-inspired appearance
- White dot combat-style sights for fast and clear target acquisition
- Functional decocker/safety lever for added realism and safer handling
- DA/SA trigger system to replicate the operation of the original pistol
- Picatinny accessory rail for fitting compatible lights or accessories
- Ideal for training, target shooting and back garden plinking due to its realistic operation and versatile design
- Sig Sauer P229 CO2 Semi Automatic Air Pistol (.177 / BB)
Is the SIG Sauer P229 CO2 Air Pistol realistic to use?
Yes, it has full metal construction, realistic weight and balance, and a blowback slide that cycles when fired, giving it a more authentic semi-automatic pistol feel.
What ammunition does this pistol use?
This pistol can fire both .177 lead pellets and 4.5mm steel BBs, giving you flexibility depending on whether you want accuracy-focused target shooting or general plinking.
Is this pistol suitable for target shooting?
Yes, the rifled steel barrel, realistic controls and semi-automatic blowback action make it well suited to target shooting, training and recreational use.
Does the slide move when fired?
Yes, this is a blowback model, meaning the slide cycles with each shot to create a more realistic recoil impulse.
How is the CO2 capsule fitted?
The P229 uses SIG Sauer’s patented cam-lever CO2 loading system, which allows quick and easy CO2 cartridge changes without tools.
Does it come with a magazine?
Yes, it comes with one 16-round magazine, using twin 8-shot rotary discs.
Can I fit a red dot sight to this pistol?
Yes, the slide is SIG AIR Reflex Sight ready, allowing you to fit a compatible SIG AIR Reflex Sight, sold separately.
Can I fit accessories to it?
Yes, it has a Picatinny accessory rail, allowing you to fit compatible accessories such as lights or lasers where permitted.
What sights does it come with?
It comes with fixed white dot contrast sights, designed to give a clear and easy-to-see sight picture.
Is the decocker functional?
Yes, the pistol includes a functional decocker/safety lever, adding to the realistic handling and operation.
What power source does it use?
It runs on a standard 12g CO2 capsule.
What is the muzzle velocity?
The pistol has a muzzle velocity of up to 380 FPS, depending on ammunition and conditions.
Is this suitable for beginners?
Yes, it is suitable for beginners who want a realistic CO2 pistol, although safe handling, eye protection and responsible shooting practices are essential.
Is this good for training?
Yes, because it closely mirrors the feel, balance and controls of the P229 firearm, it is a strong option for realistic handling practice and training drills.
Is it better to use pellets or BBs?
Pellets are generally the better choice for accuracy, especially through the rifled barrel, while steel BBs are ideal for casual plinking and faster shooting sessions.