The ZEROED 36K isn’t any .36 caliber/9mm suppressor being overbuilt by both pistol and rifle suppressor standards make this the can right at home on everything from 9mm Pistol Caliber Carbines to large bore rifle cartridges like 8.6 BLK or 350 Legend. Not to mention all centerfire calibers below that like 5.56mm 300BLK 7.62x39mm 6.5 Creedmoor and more! – ZEROED 36K suppressors are K (compact) sized with an overall length of just 5.5 with the included direct thread mount installed. If you’ve already got a suppressor or preferred QD mounting system the ZEROED 36K is HUB compatible allowing you to use any other HUB pattern QD mount and muzzle device setup you like best. For easy disassembly the included direct thread mounts feature 7/8 wrench flats and the suppressor features a 3/8 square drive in the end cap. – All ZEROED suppressors are made 100% in house by CMMG in our facility allowing for maximum quality control and affordability. – Material: Heat Treated 17-4 Stainless Steel – Attachment: Direct Thread / HUB Mount – Diameter: 1.58 – Included In The Box – Suppressor – (1) 1/2-28 Direct Thread HUB Mount – (1) 5/8-24 Direct Thread HUB Mount – Caliber .22 ARC .300 BLK .308 WIN .338 ARC .350 Legend 4.6x30mm 5.56x45mm 5.7x28mm 6.5 Creedmoor 6.5 Grendel 6mm ARC 7.62x39mm 8.6 BLK 9mm – Finish Nitride – Weight 13.5 oz/11 oz w/o mount – Length 5.5/5.2 w/o mount