JMac Customs Wolverine Adapter 1.375-24 Thread Black. Designed specifically for our X-Series brake mount this adapter allows you to install pretty much any Omega/Bravo adapter and muzzle devices including KeyMo ASR YHM Plan B etc Wolverine Standard Length with 14mm adapter: 7.44 Wolverine with our adapter and 14mm X37 brake: 7.28 -17.4ph Stainless -Fits most Bravo/Omega 1.375-24 adapters/muzzle devices. Specifications for JMac Customs TA-X56-37 Wolverine Adapter: Manufacturer: JMac Customs Fabric/Material: 17-4PH Stainless Steel Color: Black Weight: 1.7 oz Features of JMac Customs TA-X56-37 Wolverine Adapter 8'' Stock Package Contents: JMac Customs TA-X56-37 Wolverine Adapter jmac JMac Customs TA-X56-37: TA-X56-37 Wolverine Adapter 1.375-24 Thread Black