BCA Brushless LCT AK-74MN BuildBCA Brushless Build Our premium builds are back! Now better than ever with a brushless motor, you can experience the pinnacle that AEGs offer when you dominate the field with one of our builds. PDI 6. 05mm SUS304 Stainless Steel Inner Barrel Modify Flat Baton Ryusoku Bucking Lonex AK Hopup Chamber Jefftron Leviathan Optical Trigger Board w Bluetooth BCA CNC Aluminium Cylinder Head with Sorbo Pad BCA Custom Lapped Aluminum Cylinder BCA Piston Head X