Mach Sakai reviews the LCT SR-3 Vikhr AEG in this episode. The video covers the rifle's unboxing, key features like its overall length, weight, magazine capacity, front and rear sights, handguard, charging handle, hop slide, and stock. It also demonstrates how to remove the cover, magazine, and insert the battery and BB bullets. The SR-3's actual firing performance is tested, including initial velocity measurements with 0.2g and 0.25g BBs, firing sound measurement, and accuracy tests at various distances. The video concludes with Mach Sakai's overall impressions of the LCT SR-3 Vikhr AEG.