GrovTec Crush Washer For .223/5.56 Muzzle Devices – 1/2×28, Black Oxide (GTHM319)

• Crush washer designed to secure muzzle devices on .223 and 5.56 rifles
• 1/2x28 thread compatibility supports standard small caliber rifle barrels
• Steel construction provides strength and reliable deformation during installation
• Black oxide finish offers corrosion resistance and surface protection
• Ensures proper alignment and secure fit of muzzle devices during installation
• Designed for single use application when installing threaded muzzle components

The GrovTec Crush Washer GTHM319 is a muzzle device crush washer designed for securing threaded components on .223/5.56 caliber barrels.

The GrovTec Crush Washer GTHM319 features a 1/2×28 thread compatibility for .223 caliber platforms and is constructed from high quality steel with a black oxide finish. This washer is installed between the barrel shoulder and muzzle device to provide proper alignment and tension during installation. It is designed to deform under torque, allowing consistent positioning of flash hiders or compensators in rifle setups. The GrovTec Crush Washer GTHM319 is used for securing muzzle devices in range use or field applications where threaded barrel interfaces are present. In normal operation, the washer supports reliable installation without requiring additional shims or spacers.