Liberty Precision Machine LPM-2009 Liberty Bell Muzzle Brake Black Stainless Steel 1/2"x28 Threads 1.70"

The Liberty Precision Machine LPM-2009 Liberty Bell muzzle brake is a precision-engineered, CNC-machined muzzle device built for shooters who demand accurate alignment and repeatability. Threaded 1/2"x28, this .30 caliber brake is machined from 17-4 PH stainless steel and features critical alignment geometry cut in a single setup—eliminating tolerance stacking and ensuring consistent performance shot to shot. Whether you're running it standalone or pairing it with a suppressor-ready host, the Liberty Bell's design prioritizes functional precision and durability.

The real standout here is compatibility and ease of use. A 13/16" rear hex accepts common suppressor mounts like the Q Plan-B and Rearden MFG Atlas, so you're not locked into a proprietary ecosystem. Installation and removal is straightforward thanks to that hex interface, and all your critical alignment features are cut in one operation—meaning you get repeatability without the fussing around that comes with multi-step setups.

One important note: always confirm barrel alignment before use, and be aware that some silencer manufacturers void warranty when their suppressors are paired with third-party brakes. That's not a knock on the Liberty Bell—it's just the reality of the modern suppressor landscape. Liberty Precision Machine builds this brake to exacting standards; the rest depends on your host rifle and suppressor pairing.

Key Features

• CNC-machined 17-4 PH stainless steel construction for durability and corrosion resistance
• All critical alignment features cut in a single setup for superior concentricity
• 1/2"x28 thread pitch fits standard .30 caliber rifle barrels
• 13/16" rear hex compatible with common suppressor mounts (Q Plan-B, Rearden MFG Atlas, and others)
• Quick installation and removal via hex interface

Specifications

Frequently Asked Questions

Is the Liberty Bell compatible with suppressors?

The Liberty Bell is designed with a 13/16" rear hex that accepts common suppressor mounts like the Q Plan-B and Rearden MFG Atlas. However, always confirm alignment before use. Be aware that some silencer manufacturers void their warranty when used with third-party brakes, so check your suppressor's warranty policy before combining them.

What thread pitch does this muzzle brake use?

The Liberty Bell is threaded 1/2"x28, which is the standard pitch for most modern .30 caliber rifle barrels. Verify your barrel's thread specification before ordering.

What makes the single-setup CNC machining important?

By cutting all critical alignment features in one machining setup, Liberty Precision Machine eliminates tolerance stacking between separate operations. This results in better concentricity and repeatability, which translates to more consistent performance whether you're shooting suppressed or unsuppressed.

How do I install or remove the Liberty Bell?

The 13/16" rear hex allows tool-assisted installation and removal. Simply thread it onto your barrel and ensure proper alignment before firing. Removal is equally straightforward using the same hex wrench or tool.