Brand: Breakthrough Clean Technologies
Model: BT-308NBCB-AR
Intended Use: Precision cleaning of bolt carriers to maintain firearm performance and reliability
Brush Type: Nylon Bolt Carrier Key Brush
Firearm Type: AR-10 platform rifles (.308 Caliber / 7.62mm)
Bristle Type: Stiff heavy-duty bristles
Bristle Material: Nylon
Handle Description: Rugged core with standard #8-32 thread for easy attachment to cleaning rods
Handle Material: Brass
Handle Finish: Natural
Protects/Removes: Effectively removes heavy carbon buildup and fouling without scratching or marring precision surfaces
Length: Approximately 2.75 to 3.5 inches
Quantity: 1
Includes: One Nylon Bolt Carrier Key Brush

Features

The Breakthrough Clean Nylon Bolt Carrier Brush AR .308 Cal / 7.62mm (BT-308NBCB-AR) is designed for precise, effective cleaning of AR-style bolt carrier groups. Durable nylon bristles safely remove carbon and fouling without damaging critical components. Sized specifically for .308 / 7.62mm platforms, it delivers reliable performance and detailed maintenance for consistent firearm operation from Breakthrough Clean Technologies.

Report incorrect product description

Reviews

Q & A

Retail Stock

Compliance

Shipping Restrictions

It is the customer’s responsibility for understanding state laws regarding all purchases made. For a comprehensive list of all Shipping Restrictions, please refer to our Shipping Restrictions By State Page found Here.

All NFA Rules Apply

These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.