YHM sRx Long Q.D. Muzzle Brake | 5/8-24 | YHM-4405-MB-24

The Yankee Hill Machine sRx Long Q.D. Muzzle Brake (YHM-4405-MB-24) is a low-profile quick-detach muzzle device designed for use with the YHM sRx adapter system. It provides a compact mounting interface for compatible suppressors while adding minimal overall length and weight to the setup. The device is intended for range and precision/suppressed shooting applications where a low-profile Q.D. mounting solution is desired.

Product Specifications

• The manufacturer is Yankee Hill Machine.
• The model is sRx.
• The manufacturer part number is YHM-4405-MB-24.
• The UPC is 841812101536.
• The thread pattern is 5/8-24 (5/8×24).
• The muzzle device length is 2.30 inches.
• The outer diameter is 0.9375 inches.
• The length added to barrel (on barrels with 0.6″ threads) is 1.675 inches.
• Designed to fit the Yankee Hill sRx adapter system and its HUB mounting interface.
• Includes a shim kit for installation and timing adjustments.
• Features a Q.D. mount intended for 30Cal suppressors when used with the sRx adapter.
• The package/unit weight is listed as 0.15 pounds.
• The product type is listed as a muzzle brake and belongs to the muzzle devices subcategory.

This sRx Long Q.D. Muzzle Brake offers a compact, integration-focused option for shooters building a suppressed setup around the YHM sRx interface. Its short profile and Q.D. compatibility reduce bulk at the muzzle while maintaining a secure mounting point for sRx-compatible suppressors. The inclusion of a shim kit helps achieve consistent alignment with the sRx adapter for reliable attachment and repeatable performance.