The DA463MAX Blast Shroud is designed for .458 caliber firearms featuring a 1-3/8-24 thread pattern and includes the DA456 XEMAX Adapter for enhanced versatility.Model: DA463MAX Blast Shroud.458 caliber compatibility1-3/8-24 thread specificationIncludes DA456 XEMAX AdapterProfessional-grade constructionThis blast shroud system provides effective muzzle blast management for .458 caliber firearms while offering adapter compatibility for various mounting configurations and shooting applications.