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Dewey AR-15/M-16 Breech Rod Guide
The weapon specific Dewey Breech Rod Guide for the AR-15/M-16 allows a gun cleaning rod to go straight into the bore from the breech with minimum contact between the rod and both the chamber and barrel. The Breech Rod Guide, made of aluminum and Delrin, is inserted into the breech end of the upper receiver and into the chamber after bolt carrier group and charging handle have been removed. The aluminum tube that goes into the chamber is supported by an O-ring to prevent metal on metal contact and to keep oil and solvents from running back into the action. (Comes with spare O-rings and O-ring assembly tool.) The Delrin end acts as a funnel to guide the cleaning rod into the bore. The Dewey Breech Rod Guide is an essential tool for cleaning precision AR-15 rifles to maximize accuracy and prolong barrel life. Manufacturer model #: M-16B.