360HD Micro Plan B Taper Mount

With the rising demand for Plan B-style devices, JMac Customs is proud to introduce our own line of compatible mounts and adapters—engineered for precision, performance, and seamless integration.

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 Mount—delivering full functionality in a more compact, cost-effective package with a smoked brass finish.

Key Features:

• Constructed from 17-4ph stainless steel, the 360HD is built to withstand the rigors of heavy use. Its smoked bronze heat treat finish adds a bold bronzed addition to your firearm.

Designed with one sacrificial baffle, the 360HDM provides superior protection for your suppressor, extending its lifespan

3. No Timing Required:

• The 360HDM eliminates the hassle of timing and shims, allowing for quick and straightforward installation. Simply use standard tools: 18mm socket 

4. Rugged and Reliable

Designed with no barrel length restrictions, the 360HD is optimized for short-barreled firearms and high-pressure applications, ensuring consistent performance across a variety of platforms. Its durable build and unique graduated port design reflect JMac Customs'™ commitment to engineering excellence.

5. Multi-Functional Performance:

Whether you’re running suppressed or unsuppressed, the 360HD offers outstanding versatility:

• Suppressor Protection: One sacrificial baffles safeguard your suppressor from gas erosion.
• Recoil Management: Exceptional muzzle brake performance reduces felt recoil and improves shooting control when firing unsuppressed.
• Timing not required - Shims not required 

This Taper Mount version combines the recoil mitigation of JMac Customs RRD muzzle brakes with a taper mounting system, offering seamless compatibility with many commonly available suppressors or any 1.375-24 Hub device when used with the TA 90T X37 Taper Mount Adapter. The taper mount is compatible with Plan B, Rearden, and other similar styles.

Shop pin for weld here

PROFESSIONAL INSTALLATION RECOMMENDED

• Shouldermount muzzle devices index against the shoulder of the barrel 
• Facemount muzzle devices index against the face of the muzzle of the barrel 
• If using shims with facemount devices, you must use an alignment rod to ensure the facemount shims do not make contact with the projectile exiting the muzzle.
• 30-40ft/lbs of torque along with Rocksett applied to the threads is recommended.
• Improper installation may result in damage to the device and/or the suppressor as well as potential injury to the user.