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Ar-15 Carbon Scraper Sinclair International.
This tool is designed to break up carbon build-up inside the AR-15's bolt carrier. Excessive hardened carbon deposits can cause cycling problems. This tool features the Sinclair large grip handle.
Sinclair, Issue:5B, Page:253
Ar-15/m16/ 308 Ar Cleaning Rod Guide Dewey.
Keeps Solvent Out Of The Action
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. We have incorporated a front brass bushing, 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.
Made from Delrin, Brass, and Anodized Aluminum For use with any J. Dewey Cleaning Rods
AR-15, Issue:11, Page:079
Big Book Catalog, Issue:71, Page:082
SPECS: Aluminum, anodized. Delrin handle. Rubber O-rings. Approximately 9” (22.9cm) long. Includes spare O-rings and O-ring installation tool. AR-15/M16 model fits rifles chambered in .223/5.56mm and .204 Ruger.