Rearden Atlas / 13/16" Muzzle Device Wrench

Rearden Atlas / 13/16 Muzzle Device Wrench

The Rearden Atlas / 13/16" Muzzle Device Wrench is the ultimate all-in-one solution for builders and suppressor users who demand durability, precision, and versatility at the bench or in the field.

Designed to fit both Gen 1 and Gen 2 Rearden Atlas suppressor mounts, this wrench also supports muzzle devices with 13/16" wrench flats, including those from Rearden, Liberty Precision Machine, KAK, and others.

Dual Suppressor mount sizes; 1-1/4" and 1-1/16" make it compatible with a wide range of mounts (excluding Atlas XL).

Crafted from .190" thick 4130 chromoly steel, this tool resists bending under high torque. The finish is sandblasted, cold blued with Brownells Oxpho-Blue, and treated with mineral oil for rust and corrosion resistance.

Whether you’re going for maximum torque or quick adjustments, it features:

• 1/2" square drive for use with torque wrenches or breaker bars
• Dual wrench interfaces for a balance of speed and strength

Key Features:

• Fits Rearden Atlas Gen 1 & Gen 2 suppressor mounts
• Compatible with muzzle devices featuring 13/16" flats
• May fit other mounts with 1-1/4" or 1-1/16" wrench flats
• .190" thick 4130 chromoly steel – tough, bend-resistant
• Cold blued & mineral oiled for rust protection
• 1/2" square drive for torque wrench or breaker bar use
• Durable, and feature-packed

Care Tip: For best long-term performance, periodically rub down the wrench with your preferred gun oil to maintain rust resistance.

Whether you're installing, removing, or tuning your setup, the Rearden Atlas / 13/16 Wrench delivers reliable torque and long-term durability—all in one tool.

As of 10/4/25 these are effectively a “gen 1.5”. The sizing has been adjusted slightly and should no longer have a tight fit on coated devices. They are also now laser engraved to show what each cutout fits. 

Rearden, Liberty Precision Machine, KAK, and Brownells are trademarks of their respective owners. Nimrod Collective is not affiliated with, endorsed by, or sponsored by any of these companies. Any references to these names are made solely to indicate compatibility or the source of materials or finishes used in the manufacturing process.