The Liberty Precision Machine LPM-2001 Eclipse Flash Hider is crafted from CNC machined 17-4 PH stainless steel and heat treated to H900 condition. This flash hider features a .30 caliber bore and 1/2"x28 thread pattern, ensuring compatibility with common .900-24 silencer mounts.Key FeaturesFlash Reduction: Provides substantial flash reduction compared to OEM parts.Easy Installation: 13/16 rear hex allows for simple installation and removal.Sacrificial Blast Baffle: Designed to function as a sacrificial blast baffle.Port Orientation: 360-degree port orientation eliminates the need for shims.