READY STOCK SIAP KIRIM Features Precision CNC machined construction T6 aluminum construction Ambidextrous release design Laser engraved design Improved ergonomics over the standard charging handle Anodized finish Compatibility: For Tokyo Marui, G amp;P, Matrix and other compatible M4 / M16 Airsoft AEG Rifles. May require modification to fit some brands Material: Military aircraft grade T6 Aluminum. Manufacturer: Angel Custom (AIRSOFT ONLY)