Full auto rated for 9mm 300 BLK Subsonic 8.6 BLK Subsonic and other common handgun calibersAlaskan360Ti Specifications Diameter: 1.6a ^2 Length: Without Titanium Direct Thread : 6.6a ^2 with Titanium Direct Thread: 6.9a ^2 Weight: Without Titanium Direct Thread : 5.6 oz with Titanium Direct Thread: 6.6 ozMaterialsBAFFLES: US Grade 5 TitaniumBODY: US Grade 5 TitaniumMOUNT: US Grade 5 TitaniumFINISH: Glass Bead BlastedFRONT CAP: US Grade 5 TitaniumIncludesTitanium Direct Thread Mount Titanium Front CapAlaskan360Ti SuppressorOperator's ManualAlaskan360Ti Multi-tool and RetainerRugged Suppressors Sticker