The DA465KL Blast Shroud is designed for 9mm firearms and features the integrated DA452 KeyMicro adapter system with 1-1/8-28 threading.Model DA465KL Blast Shroud for 9mm caliberIntegrated DA452 KeyMicro adapter for quick attachment/detachment1-1/8-28 thread pattern for secure mountingBlast mitigation design for improved shooting experienceUPC: 810128161824This blast shroud provides effective muzzle blast redirection while offering the convenience of the KeyMicro mounting system for tactical applications and training scenarios.