JP Enterprises AR-15 Bore Guide 223 Remington, 5.56x45mm

The JP Enterprises Cleaning Bore Guide is a lathe-turned piece of aircraft grade, color anodized aluminum with heavy duty O-rings to center and retain it in the upper receiver while cleaning through it. It is made with a solvent hole located at the ejection port. It will avoid damage to the chamber, throat, and crown of your expensive rifle.