The Best AR15 Suppressor Mounts

00:00 Intro 00:20 Overview of Suppressor Attachment Methods 01:04 Quick Detach vs Direct Thread Explained 01:42 SureFire Mount System Overview 02:22 SureFire Installation and Lockup 03:03 Taper Lock and Return to Zero 04:19 Hub Compatibility Explained 05:42 Dead Air KeyMo System Overview 06:28 KeyMo Installation and Use 07:18 Maintenance and Carbon Prevention 08:06 Knights Armament Mount Overview 08:45 Knights Locking System and Collar Design 10:02 Detent Ball Locking Mechanism 11:11 Thread-On Mounts Overview 11:26 Plan B System Explained 12:02 Plan B Installation and Simplicity 12:17 Dead Air Zeno System Overview 12:51 Left-Hand Thread Advantage 13:40 Removing Stuck Suppressors 14:11 Rimfire Zeno Variant 14:51 Final Thoughts In this Brownells Tech Tip, Caleb walks through some of the best suppressor mounting systems available for the AR-15 platform. This overview covers both quick detach and thread-on suppressor mounts, explaining how each system works and where it excels. From proven duty-grade systems like SureFire to modular hub-compatible options like Dead Air KeyMo, Plan B, and Zeno, this video breaks down the key differences in mounting methods, lockup design, and real-world usability. Understanding taper lock geometry, carbon lock prevention, and proper mounting technique is critical when running a suppressor. This guide also highlights how different systems affect return to zero, point of impact shift, and overall reliability. Whether you are setting up your first suppressor or refining an existing rifle, this comparison helps you choose the right mounting system for your needs. Key Topics Covered: Quick detach vs direct thread suppressor mounts SureFire suppressor mounting system Dead Air KeyMo system Knights Armament suppressor mount Plan B taper mount system Dead Air Zeno left-hand thread system Hub compatibility and modular suppressors Carbon lock prevention and maintenance Return to zero and alignment considerations