Otis Technology

Otis Technology The B.O.N.E. Tool FG-246

$25.95 $29.99 $4.04 Off

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OTIS-FG-246

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Product Summary


The B.O.N.E. Tool was designed specifically to clean the bolt carrier assembly area of .223 Rem/5.56mm NATO rifles.

Ships From: MI

Country of Origin: US

Otis Technology The B.O.N.E. Tool FG-246

The B.O.N.E.® 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. It also includes an 8-32 threaded hole to act as T-handle. Available for 5.56mm or 7.62mm 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 or 7.62mm rifle
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