This is steel round handguard cap from Medusa will work with round carbine length handguards on most standard AR15/M16/M4 AEGs. This cap provides protection to your handguard's end while keeping debris out.
Why choose this external part?
Why not?
Pro Tip:
Free-floating handguards tend to be heavier, more expensive, and harder to install than drop-ins, which have more simpler, easier-to-install designs. It's important consider what you need out of your AEG when considering the type of handguard you want.