Blaster Tracer Unit - Black TTI-P0036 this set increases the shooting

this set increases the shooting performance and efficiency

So you can use The Crazy Jet Barrel in your M4 or AK or the AEG model you prefer

The EG Barrel series is based on Tokyo Marui specification barrels

90 Newton stock spring pre installed + extra 120N spring included (Installed type spring may vary depending on countries regulations

Blaster Tracer Unit - Black TTI-P0036 this set increases the shootingFeatures Blaster simulates muzzle flash, the effect of flame depends on volume of gas or water fog around the muzzle, with more volume, effect will be better. Three modes available: Tracer with flame, Flame only, Tracer only. Intelligent power control: Blaster power on by shaking, enter sleep mode while idle for over 5 minutes. Suitable for standard airsoft and gel BBs. Specification: Supports green tracer BBs and water BBs, not support red tracer