HSM is a standalone hand stop. From the start, it was deliberately engineered to be wider than the MLOK handguard mounting base, which measures 0.75". We saw no advantage in limiting the width when a broader profile allows for greater surface area and improved hand contact. HSM is 1.25" wide, delivering enhanced traction by increasing the amount of usable contact with the user’s hand. The visible overhang on both sides of the HSM is intentional and part of the design.

Functional Form

The form of the HSM is dictated by its intended function. It features a subtle 10-degree angle with a flared base. Fluted sections along the sides are designed to give the user’s fingertips a natural resting point. While this feature is less pronounced on the shorter HSM due to its length, it becomes significantly more effective on the short grip variant. Serrations on all six faces of the HSM provide excellent grip and control.

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These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.

WARNING: Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).