J. Dewey Semi-auto breech rod guide for AR-15s in .300 AAC Blk Black/Brass

J. Dewey Semi-auto breech rod guide for AR-15s in .300 AAC Blk Black/Brass. Dewey Semi-auto Breech Rod Guide for AR-15s in. is the perfect way to make sure your weapon is free of unwanted materials that will cause damage to your weapon and it's accuracy. This Gun Cleaner from the expert engineers at J. Dewey has been developed using top-of-the-line construction and materials to provide you with a gun cleaning tool that that will have you shooting for longer periods of time. The combination of limited chamber space and the large tube inside diameter needed for brush clearance eliminates the possibility of any type of chamber sealing o-ring. A front brass bushing has been incorporated which centers the guide in the barrel extension and butts up against the chamber opening. The large o-ring on the back end locks into the bolt opening at the rear of the receiver to reduce longitudinal movement of the guide during the cleaning process. For a perfect way to make sure that your gun is free from unwanted materials choose the J. Dewey Semi-auto Breech Rod Guide for AR-15s in.. Specifications for J. Dewey Semi-auto Breech Rod Guide for AR-15s: Manufacturer: J. Dewey Cartridge: .30 Carbine Features of J. Dewey Semi-Automatic Breech Rod Guide: AR-15/M-16 .300 AAC Blackout Breech Rod Guide Made from Delrin Brass and Anodized Aluminum For Use with Any J. Dewey Cleaning Rods Package Contents: J. Dewey Semi-auto Breech Rod Guide for AR-15s in. J. Dewey AR-300: Semi-auto breech rod guide for AR-15s in .300 AAC Blk Black/Brass n/a