Sig Sauer MPX Gen2 .177 Caliber CO2 Air Rifle
The SIG Sauer MPX Gen2 .177 CO2 Air Rifle delivers realistic semi-automatic performance in a compact tactical platform. Featuring a 30-round magazine, rifled barrel, flip-up adjustable sights and ambidextrous safety, it is built for fast, controlled target shooting and plinking. The updated Gen2 design includes an M-LOK handguard, flat blade trigger, reduced angle grip and redesigned buttstock, while the 88g or 90g CO2 system provides reliable power and consistent performance.
The SIG Sauer MPX Gen2 .177 Calibre CO2 Air Rifle builds on the proven foundation of the original MPX, now updated with improved handling, refined controls and enhanced accuracy. Powered by 88g or 90g CO2 cartridges, this semi-automatic air rifle delivers fast, reliable shooting with a 30-round magazine, making it ideal for target shooting, training and general plinking.
Chambered in .177 pellet and fitted with a rifled barrel, the MPX Gen2 is designed to offer consistent performance and a realistic shooting experience. The updated design includes a modern M-LOK handguard, flat blade trigger, reduced angle grip, redesigned buttstock and a low-profile recoil pad, giving the rifle a more tactical feel while improving comfort and control.
The rifle also features flip-up dual aperture peep sights, adjustable for windage and elevation, allowing you to fine-tune your aim straight out of the box. With ambidextrous manual safety levers, a synthetic stock and a compact overall length of 25.75 inches, the SIG Sauer MPX Gen2 offers a practical, well-balanced CO2 platform for shooters wanting realistic handling with dependable performance.
- Action Type Semi-Auto
- SIG AIR Reflex Sight Ready No
- Accessory Rail Picatinny Rail
- Operating System CO2
- Sights Folding
- Stock Type Synthetic
- Calibre .177 cal
- Optimal Pellet Weight Range 5.0gr - 8.5gr
- Magazine Included 1 x 30-round magazine
- Overall Length 25.75 in / 654 mm
- Trigger Weight 7 lb / 31 N
- Muzzle Velocity Up to 450 fps*
- CO2 Cylinder Size 88g or 90g
- Weight 6.2 lb / 2.8 kg without magazine
- Updated Gen2 design based on the proven SIG MPX platform
- Semi-automatic shooting action for fast follow-up shots
- CO2-powered operation for a realistic and enjoyable shooting experience
- Designed to fire .177 pellets rather than steel BBs
- Rifled barrel to help improve accuracy and consistency
- 30-round magazine for extended shooting between reloads
- Modern M-LOK handguard for an updated tactical look and accessory compatibility
- Flat blade trigger for a more modern trigger feel
- Reduced angle grip for improved handling and control
- Redesigned buttstock for a more refined shooting position
- Low-profile recoil pad for improved comfort against the shoulder
- Flip-up dual aperture peep sights for practical aiming
- Sights adjustable for windage and elevation
- Ambidextrous manual safety levers for left- or right-handed use
- Quick-detach buttstock design that houses the CO2 cartridge
- Synthetic furniture for durability and low maintenance
- Compact tactical rifle styling inspired by the real SIG MPX platform
- Well suited to target shooting, informal range use and plinking
- Sig Sauer MPX Gen2 .177 Caliber CO2 Air Rifle
Is the SIG Sauer MPX Gen2 a pellet rifle or a BB rifle?
The SIG Sauer MPX Gen2 is a .177 pellet air rifle, not a steel BB rifle.
Is this rifle semi-automatic?
Yes, it has a semi-automatic action, allowing fast follow-up shots without manually cycling the rifle each time.
What CO2 cartridges does it use?
It uses 88g or 90g CO2 cartridges, which are housed inside the quick-detach buttstock.
How many shots does the magazine hold?
The rifle comes with one 30-round magazine.
Does the SIG Sauer MPX Gen2 have a rifled barrel?
Yes, it features a rifled barrel to help improve accuracy and consistency when using suitable .177 pellets.
What pellets should I use with this rifle?
For best performance, use SIG Sauer or equivalent premium .177 pellets in the recommended 5.0gr to 8.5gr weight range.
Does it come with sights?
Yes, it comes with folding flip-up sights that are adjustable for windage and elevation.
Can I fit accessories to this rifle?
Yes, it features a Picatinny rail and an updated M-LOK handguard, giving it a modern tactical layout for compatible accessories.
Is it suitable for left-handed shooters?
Yes, the ambidextrous manual safety levers make it easier to use for both left- and right-handed shooters.
What is the maximum velocity?
The SIG Sauer MPX Gen2 produces up to 450 fps, although this can vary depending on pellet weight, temperature and altitude.
Is this a good rifle for plinking?
Yes, the semi-automatic action, 30-round magazine and realistic tactical handling make it very well suited to plinking and informal target shooting.
Is the SIG Sauer MPX Gen2 reflex sight ready?
No, it is not listed as SIG AIR Reflex Sight Ready, but it does have rail space for compatible sighting accessories.
How heavy is the rifle?
It weighs approximately 6.2 lb / 2.8 kg without the magazine.
Is this rifle suitable for hunting?
This model is best suited to target shooting and plinking rather than hunting, due to its CO2 power system, semi-automatic design and 450 fps velocity.