The Right Tool For The Job
The Precision Armament M41 Spanner Wrench is essential for properly installing or removing your M41 muzzle brake. Specifically designed to interface perfectly with the M41’s spanner slots, this wrench allows you to achieve exact timing and secure torque without marring your brake or risking misalignment. If you’re running the M41, this wrench was made to match.
Features
- Purpose-built for use with Precision Armament M41 muzzle brakes
- Allows proper torque and timing without damage
- The square 3/8″ drive socket allows attachment of a torque wrench for precise tightening
- Durable heat-treated steel construction
- Corrosion-resistant finish
- Compact and easy to carry in your range or gunsmithing kit
Specifications
- Brand: Precision Armament
- Model: M41 Muzzle Brake Spanner Wrench
- MPN: A70001
- Category: AR-15 Cleaning Kit and Tools
- Fit: Precision Armament M41 Muzzle Brakes
- Color: Stainless
- Finish: Heat-treated Stainless
- Material: Steel
Installation
Instructions for installation can be found here.












