Buyer's Guide
Video review: advantages and disadvantages of PCP, CO2 and spring air rifles
What are the differences between air guns powered by compressed air, carbon dioxide or spring?
##skip_main ##skip_menu ##skip_search
Mirka Customer Support
Your cart is empty
Add the chosen goods to your cart. Are you wondering where to begin?
Take a look at bestsellers our visit our help room.
The Sig Sauer MPX II 4.5 mm air rifle is a CO2 replica of the tactical MPX
carbine, featuring realistic ergonomics, a high-capacity magazine, flip-up
sights, a mounting rail, and an M-LOK handguard. Powered by an 88 g CO2
cartridge, it offers long endurance and semi-automatic fire, ideal for dynamic
training and fun sport shooting.
13 pcs in stock,
Estimated Delivery:
July 13 - 16.
$ 360.3
Purchasing this item will give you 240 Loyalty Points. Find out more about Balistas Club
Sig Sauer MPX II 4.5 mm air rifle gives shooters the opportunity to train with a replica of the famous tactical carbine MPX in the comfort of the shooting range or garden. It retains the realistic appearance, ergonomics and controls of the live-fire version, but shoots lead pellets. Thanks to its CO₂ power source it offers fast shooting in semi-automatic mode and is ideal for dynamic training, manipulation drills and fun sport shooting.
The MPX II is designed as a tactical carbine with a durable polymer stock and handguard, which reduce weight and increase resistance to damage. It uses a rifled barrel designed for shooting pellets, providing better projectile stability and consistent hits on target. It comes with a high-capacity 30-round magazine, allowing for longer shooting strings without constant reloading and underlining its dynamic character.

The operation of the rifle is handled by a CO2 system using a large 88 g cartridge, which is installed in the body of the rifle – in the stock section. The cartridge placement is designed so that it does not interfere with ergonomics or the balance of the rifle. The advantage of the 88 g cartridge is the long endurance per fill, allowing the user to fire a large number of shots without frequent replacement. The CO2 drive provides consistent performance in semi-auto mode and a smooth cycling of the rifle for rapid fire.
The trigger mechanism is designed to replicate the feel of the live-fire MPX trigger as closely as possible. The shape of the trigger, its position and travel contribute to highly realistic manipulation training. The user thus gains similar ergonomics and trigger finger work as with the live-fire tactical carbine. To enhance safety, the rifle is equipped with a lever safety, which allows quick and intuitive engaging and disengaging of the safety without changing the grip.
The MPX II comes fitted with folding flip-up sights, enabling immediate aiming right out of the box. If you prefer an optic or red dot sight, you will appreciate the 22 mm mounting rail on the top of the rifle, where you can easily attach your favourite accessories. The handguard integrates an M-LOK mounting system, allowing the addition of further tactical accessories – e.g. flashlight, laser or vertical foregrip. The MPX II therefore offers extensive options for individualisation and adaptation to your shooting style.
Be the first one to rate this product and help others decide.
By submitting your review, you are agreeing to our review guidelines. It will be published once we make sure it corresponds with our terms and conditions.