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. Our high visibility red anodized finish lets you know that there is a lock in the weapon.

• Made in the USA
• Patent pending design
• Constructed from aircraft grade anodized aluminum
• High quality laser engraved branding
• Weapon cannot be charged or fired while lock is in place
• AR15 version prevents weapon disassembly"