JMac Customs M14X1 LH Facemount 360HD Micro Taper Mount Bronze. The 360HD Micro is the newest member in JMac Custom's Recoil Reduction Device (RRD) family of muzzle brakes designed to meet the needs of serious shooters and professionals alike. Built with durability ease of installation and optimal performance in mind the 360HD delivers unparalleled recoil management while providing maximum protection for your suppressor. This new micro version packs similar performance and features as our best-selling 360HD X37 HUB Mountdelivering full functionality in a more compact cost-effective package with a smoked brass finish. Specifications for JMac Customs 360HD Micro Taper Mount: Manufacturer: JMac Customs Color: Bronze Package Contents: JMac Customs 360HD Micro Taper Mount JMac Customs 360HDM-14F-TM: M14X1 LH Facemount 360HD Micro Taper Mount Bronze