ITEM: BRO-LOCK 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 Prevents weapon disassembly 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.