ASG STI Combat Master 4.5mm CO2 Air Pistol

The ASG STI Combat Master 4.5mm is a high-performance CO₂ air pistol that brings competition-grade realism to steel BB shooting. Originally a proven bestseller in airsoft, the Combat Master has been refined for airgun use, delivering accuracy, power and premium build quality.

Firing 4.5mm steel BBs, the pistol delivers approximately 1.4 joules of muzzle energy. The blowback action cycles the slide with every shot, providing realistic feedback and handling. CO₂ power ensures consistent performance and a satisfying shooting experience.

An integrated accessory rail allows mounting of lights or lasers, while each pistol features a unique serial number. With its authentic styling and solid construction, the Combat Master is ideal for target practice, training and recreational shooting.

• caliber 4.5mm steel BB
• muzzle velocity 90 m/s
• blowback action
• powered by 12g Co2 cartridge
• 20 round magazine
• full metal construction
• picatinny rail
• weight 1161 grams
• made by ASG