Pro Shot 6.8mm AR Platform O-Ring Bore Guide
AR Bore Guide with O-Ring and Solvent Port. (Solvent Port not shown in Picture) Made from Solvent-Resistant material. Clean your AR-15 from the breech to prevent muzzle or chamber damage. Insert into the upper receiver, replacing the bolt carrier, for safe and easy cleaning. Self-centers in the receiver. O-ring seal at breech and solvent port keeps chemicals out of the action.
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