The aircraft has an internally mounted 9A1-4071K (GSh-30-1) 30 mm autocannon near the right LEVCON root. The cannon is the lightest in 30mm class with 50 kg weight, and could fire up to 1,800 rounds per minute. The cannon can fire blast-fragmentation, incendiary and armor-piercing tracer rounds and is effective against even lightly armored ground, sea and aerial target up to 800 m for aerial target and 1,800 m for ground target. The cannon is equipped with autonomous water cooling system, where water inside the barrel jacket is vaporized during operation.