BT80: M-LOK® Flush Cup Rail
The BT80 M-LOK Flush Cup Rail is a B&T mount that fits the M-LOK handguard, giving it a Picatinny surface so you can run an Atlas bipod. The BT80 is an M-LOK rail with an integrated flush cup, adding a Picatinny surface and a sling attachment point to an M-LOK handguard. Machined in the USA and backed by a lifetime warranty.
Built to a Standard
Key Features
It adapts the M-LOK handguard for an Atlas. The BT80 is an M-LOK rail with an integrated flush cup, adding a Picatinny surface and a sling attachment point to an M-LOK handguard.
Provides a Picatinny mounting surface
Provides a Picatinny mounting surface so an Atlas bipod can mount to the M-LOK handguard.
Made to fit the platform for a rigid, correct mount
Pairs with any clamp-equipped Atlas bipod
Knowledge Is Power
Frequently Asked Questions
Most shoppers have a few questions before they add the BT80 M-LOK Flush Cup Rail to the cart. The answers below cover what fits your rifle, where it is made, and what it does, so you can order the right setup the first time.
What does the BT80 M-LOK Flush Cup Rail do?
The BT80 is an M-LOK rail with an integrated flush cup, adding a Picatinny surface and a sling attachment point to an M-LOK handguard.
What rifle does the BT80 M-LOK Flush Cup Rail fit?
It is made for the M-LOK handguard. Confirm your exact model and configuration on the product page or with our team before ordering.
Will my Atlas bipod mount to it?
Yes. It provides a standard mounting interface for clamp-equipped Atlas bipods. Match your Atlas clamp to the rail it provides.
Is it made in the USA?
Yes. It is machined in the USA by B&T Industries and backed by a lifetime warranty.