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BT79

BT79: Barrett® M107A1® Rail

The BT79 Barrett M107A1 Rail is a B&T mount that fits the Barrett M107A1, giving it a Picatinny surface so you can run an Atlas bipod. The BT79 fits the Barrett M107A1 and provides a Picatinny rail for an Atlas bipod. Machined in the USA and backed by a lifetime warranty.

$74.95

In stock

The Details

Product Info

BT79 Barrett® M107A1® Rail Installation Instructions:

  1. Ensure the firearm is NOT loaded.
  2. Remove the barrel and upper portion following manufacturer’s directions.
  3. Visually confirm the BT79 holes line up with those found on the Barrett® M107A1®.
  4. Using a 11/16" socket and ratchet wrench OR breakover bar and a 7/32” hex wrench, disassemble the fasteners and remove the bipod. Do NOT discard the original 11/16" nuts and tooth lock washers.
  5. Place the BT79 on the forearm and place one flat head cap screw (FHCS) through the hole. Slip a tooth lock washer onto the FHCS followed by the nut.
  6. Repeat #5 on the other end of the BT79.
  7. We recommend using Loctite® 263™ (not provided) on the threads following the manufacturer's directions and cure times.
  8. Once both FHCS are installed, torque to 25-30 foot-pounds.
  9. Reassemble the barrel and upper portion to the lower portion following manufacturer’s directions.

Barrett® and M107A1® are Barrett Firearms Manufacturing trademarks.

What is the difference between their M107A1 and M82A1 rifles?

According to and to quote from Barrett’s FAQ webpage, "Actually, there are a couple of differences. The M107 is issued with “spike feet” bipods, and the 82A1 is issued with “smooth feet” bipods. Also, the M107 is issued with the monopod, but the monopod is optional for a Model 82A1.”

Built to a Standard

Key Features

It adapts the Barrett M107A1 for an Atlas. The BT79 fits the Barrett M107A1 and provides a Picatinny rail for an Atlas bipod.

Provides a Picatinny mounting surface

Provides a Picatinny mounting surface so an Atlas bipod can mount to the Barrett M107A1.

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 BT79 Barrett M107A1 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 BT79 Barrett M107A1 Rail do?

The BT79 fits the Barrett M107A1 and provides a Picatinny rail for an Atlas bipod.

What rifle does the BT79 Barrett M107A1 Rail fit?

It is made for the Barrett M107A1. 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.