The AR style Bore Guide with O-Ring inserts in place of the bolt carrier group assembly while cleaning to center cleaning rod and prevent chamber or muzzle damage. O-Ring seal at breech prevents solvent from entering the upper receiver and trigger mechanism while also keeping chemicals out of the action.  Solvent Port makes using CLP/Cleaner fast & easy.

The AR15/M16 style bore guide can be used for all AR15/M16/M4 platform rifles. Work for 5.56mm & .223 Cal. variants. 

Features:

• Superior Mfg. Bore Guide-Chemical resistant and will stand up to harsh chemicals, providing continual use.
  ·Reusable Tube with Hang Cap
  · Made in USA