Acetech i-Tracer Advanced BB Control System Computer Chronograph / Tracer / Burst Control Unit - Black Marker Body Kits this makes a 16" barrel

this makes a 16" barrel

but is specifically tailored to the AR15/M16 platform

BB's Per Shell: 1

reliable and easy to service too

Acetech i-Tracer Advanced BB Control System Computer Chronograph / Tracer / Burst Control Unit - Black Marker Body Kits this makes a 16" barrelFeatures Standard Airsoft 14mm( ) negative threaded tracer made from high quality aluminum. High efficiency circuit with digital display with brightness controls. Devices communicate via wireless signal. Power saving standby and auto power off modes available Measure muzzle velocity (FPS MPS), energy (Joule) and ROF (RPS RPM) via iTracer Unit (14mm( ) negative thread) Programmable BB counter to count down or count up Low ammo warning + low battery