B.O.N.E.® Tool

The OTIS B.O.N.E.® Cleaning Tool was designed specifically to clean carbon and fouling from the bolt carrier assembly area of MSR/AR style rifles. This quick-clean tool scrapes fouling from the bolt, bolt carrier and firing pin. Also includes an 8-32 threaded hole to act as T-handle. Available for 5.56mm MSR/AR style rifles.

Note: While this tool fits many bolts flawlessly, it may fit some bolts better than others due to variance in bolts by different manufacturers.

• Designed specifically to clean carbon & fouling from the bolt carrier assembly area of MSR/AR style rifles
• Scrapes carbon and fouling from the bolt, bolt carrier and firing pin
• Includes an 8-32 threaded hole to act as a T-handle
• Available for 5.56mm (works with .223/5.56mm/300 Blackout/.350Legend)
• Made in U.S.A

Shipping: All non custom orders placed M-F before noon Mountain Standard Time ship within 24 hours. Orders placed on the weekend are shipped first thing Monday morning. All orders containing a *CUSTOM* mat will ship in 5-7 business days*

COVID/HOLIDAY SHIPPING UPDATE: *We are shipping out orders as fast as we can (2-5 business days). We have been receiving reports of delayed packages and inaccurate package tracking information with USPS (that’s government for you). Rest assured we are doing everything in our power to get your order to you as quickly and as smoothly as we can.

Warranty: ProMats were designed for shooters, by shooters. We hope you enjoy these mats as we do but if for any reason you're not completely satisfied, just return the containers within 60 days of receipt, and you'll get a full refund of the purchase price (minus shipping and handling). For additional information, please see our Return Policy

Lifetime Warranty against manufacturer’s defects.

WARNING: This product contains chemicals known to the State of California to cause cancer.