Not exactly you can use on your AEG, but perhaps on your AR GBB and if you own a real steel one, even better to prevent use of the rifle without you and keeps it safe during transport... "Tired of cable locks? So are we! Simply lock back the bolt on your weapon and insert our keyed BRO-LOCK into the ejection port of your firearm to render the weapon unusable AND visibly safe. Once the lock is engaged, the rifle cannot be charged or fired and prevents weapon disassembly.