Never fielded. Only dropped bb’s through to test to make sure the tracer functions. My LCT and GHK AK’s have 24mm threads while this tracer has 14mm threads. 🥲 FYI this thing is pretty heavy! Features Machined from steel Faux parkerized finish Works with all 14mm CCW threads AceTech AT2000 Tracer unit included Use 1 AAA which a rechargeable is included. Improved illuminator for enhanced BB glow activation for an ultra bright trace Sustained ROF up to 1800 RPM Works with both red and green tracer BBs Manufacturer: LCT Specifications: Threads: 14mm Negative (CCW) Compatibility: For LCT AK series and other Airsoft rifles with 14mm CCW threads Material: Steel