AR 15 223/5.56 Steel Muzzle Brake Jam Nut
$8.99
Product Highlights
- Steel Muzzle Brake Jam Nut
- Fits rifles .223/5.56mm
- Heat treated steel
- CNC precision machined
- Black oxide finish
- Corrosion resistant
- 1/2″x28 thread
Why Choose the ATI AR-15 .223/5.56 Steel Muzzle Brake Jam Nut?
The ATI AR-15 .223/5.56 Steel Muzzle Brake Jam Nut is designed for compatible AR-15 muzzle-device installations where a jam nut is used to help position and secure the muzzle brake.
It provides a simple, reusable hardware solution for compatible .223/5.56 AR configurations without adding unnecessary complexity to the muzzle setup.
Helps Position a Compatible Muzzle Brake
A jam nut can be used to help establish the final position of a threaded muzzle device on the barrel.
This is especially useful when the orientation of the muzzle brake matters and the device needs to be positioned correctly before being secured.
Supports Secure Installation
Once the muzzle brake is properly positioned, the jam nut tightens against the device to help hold it in place.
This provides a straightforward mechanical method for securing a compatible muzzle brake on the threaded barrel.
Steel Construction
The ATI Muzzle Brake Jam Nut is made from steel for durability in a component that is tightened directly against the muzzle device.
Its construction makes it well suited for routine firearm assembly, maintenance and replacement work.
Useful Alternative Installation Hardware
Depending on the muzzle device and firearm configuration, different methods may be used to position and secure a muzzle brake.
A jam nut provides a practical option for compatible installations where this style of mounting hardware is appropriate.
Convenient for Builds and Maintenance
The jam nut can be useful when installing a new compatible muzzle brake, replacing damaged mounting hardware or reassembling a firearm after maintenance.
Keeping the correct hardware available makes it easier to complete muzzle-device work without relying on improvised components.
Designed for .223/5.56 AR Applications
This jam nut is intended for compatible AR-15 .223/5.56 muzzle brake configurations.
Because barrel threads and muzzle devices can vary, the caliber designation alone should not be used to determine compatibility.
Confirm Thread and Muzzle-Device Compatibility
Always verify that the barrel threading, muzzle brake and jam nut are designed to work together before installation.
Always review the ATI Fitment tab before ordering.
The ATI Advantage
ATI offers individual AR-platform components and installation hardware so owners can replace only the parts needed for a build, repair or upgrade.
The AR-15 .223/5.56 Steel Muzzle Brake Jam Nut provides a durable, straightforward solution for positioning and securing compatible AR muzzle devices.
3 reviews for AR 15 223/5.56 Steel Muzzle Brake Jam Nut
Accessories
Select your firearm to see the correct compatible accessories.
Fast & Reliable Shipping
ATI Outdoors ships orders quickly using UPS, FedEx, and USPS Priority Mail, depending on the items purchased.
Shipping Details
- Most orders ship within 24-48 hours or less.
- Many orders ship the next business day, Monday through Friday.
- Backordered items ship as soon as they become available.
We currently ship within the United States, including Alaska and Hawaii at increased rates. ATI does not ship online orders internationally.
California notice: Due to California Bill AB1263, we are unable to sell or ship to California as of 01/01/26.
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