Dead Air Xeno Pistol Wee Brake .38 Cal. M13.5X1LH Compact muzzle brake designed for pistol caliber sub-guns;Features a 9mm bore size across all thread pitch variations;Compatible with Xeno Adapter-equipped suppressors;Works with Wolfman, Ghost, Primal, Nomad, Sierra 5, and more;Shortened length reduces weight and supports suppressors with smaller blast chambers;Constructed from 4140 HT alloy steel for durability;Black nitride finish for enhanced corrosion resistance;Prevents thread galling and simplifies maintenance;Ideal for precision shooting and hard-use applications;Overall length: 1.575 inches;Provides a lightweight and repeatable mounting systemtable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Item Category Code: 7600 Product Group Code: 7600P Inactive: No Prop65 Applies: Yes Prop65 Cancer Harm: Yes Prop65 Chemical: Lead