acetech-at1000- tracer unit for airsoft gun m14- ccw thread tracer unit without sheath, fit for shot gun, pistols, rifles, submachine gun, cqb acetech sustained rof up to 1800 rpm<br> auto power off<br> low battery indicator<br> use of 4 aaa alkaline batteries lasting for over 100,000 rounds<br> reverse 14mm thread (14mm ccw thread)<br> dimension : 156mm x 37mm<br> weight : 140g without battery<br><br><br> <b>q&a</b> <br><br> <b>q1:does at1000 fit on my airsfot gun?</b><br> a1: at1000 fits on any 14mm ccw barrels <br> <b>q2: :does at1000 support red tracer bbs? </b><br> a2: yes, it works, but not effectively. not recommend. <br>