O. S. T. Carbon Scraper
O. S. T. Carbon Scraper
Anatomy of an O.S.T. Carbon ScraperO.S.T. Scraper on MOLLE WebbingOST Carbon Scraper Instructions
Click to enlarge image(s)
The O.S.T. Carbon Scraper is a compact carbon scraping cleaning tool for AR Rifles. It scrapes carbon buildup from the back of the bolt, inside the bolt carrier, between locking lugs and around the firing pin. It has a pick to aid in disassembly and for cleaning under an extractor. Great for .223 Rem, 5.56mm and 300 Blackout rifles.

The O.S.T. Carbon Scraper is made of precision ground Stainless Steel, laser cut and nitride treated black. It is Non-Hardened to prevents marring BCG surfaces.

The O.S.T. Carbon Scraper also features a Castle Nut Wrench and 1/4″ hex bit socket.

With its compact size and weighing 0.7oz, it's a great stand alone cleaning piece or a great addition to your cleaning kit. It is designed to be secured to a single loop of MOLLE webbing with a loop of shock cord (included).

Scrapes These BCG Surfaces
Back of Bolt Neck
Inside Bolt Carrier
Around Locking Lugs
Firing Pin - Small Diameter
Firing Pin - Large Diameter
Castle Nut

NOTE: The above video demonstrates an earlier version of the product but the basic carbon scraper functions have not changed. In particular the material has been changed from D2 Steel to Stainless Steel, the finish is now Black Nitride, the Oxygen tank valve wrench has been eliminated and the rubber band has been replaced with shock cord. A new video is in the works and will be posted as soon as it becomes available.

US Patent No.: D821831
O.S.T and Operator Survival Tool are trademarks of Operator Survival Tool.

Dimensions 4.1″ x 0.94″ x 0.080″
Material Precision Ground Stainless Steel
Finish Black Nitride
Weight 0.78oz (22g)
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