The AR-15 300 AAC Blackout Bore Guide works on any 30 caliber AR-15. The nozzle extends inside the chamber to prevent solvent from leaking intothe action. A solvent port is conveniently located to the rear of the guide which extends out of theupper making it easily accessible during cleaning. Made of precision CNC machined aluminum with a durable anodizedfinish.
Precision CNC machined aluminum
Solvent port for adding chemicals after the patch has been inserted
Durable anodized finish
Dust cover locking engagement groove
The nozzle extends inside the chamber to prevent solvent from leaking into the action