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

The Yankee Hill Machine sRx Q.D. Muzzle Brake (YHM-4405-MB-24) is a low‑profile muzzle device engineered for the YHM sRx mounting system. It attaches to the sRx adapter interface and is intended to minimize length and weight added to a suppressor-equipped setup. The device uses a 5/8-24 thread pattern and measures 2.30 inches overall with a face diameter of 0.9375 inches.

This muzzle brake is designed for use with the YHM sRx Adapter (YHM-4400) and the broader sRx system. Typical applications include use on suppressed firearm setups where a compact interface is desired and on competition/target shooting platforms that benefit from a low-profile Q.D. mounting solution.

Product Specifications

• The manufacturer is Yankee Hill Machine.
• The model is sRx.
• The manufacturer’s part number is YHM-4405-MB-24.
• The UPC is 841812101536.
• The thread pattern is 5/8-24 tpi.
• The muzzle device length is 2.30 inches.
• The face diameter is 0.9375 inches.
• The finish is listed as Black Phosphate.
• The product type is Muzzle Brake.
• The fit is listed as Yankee Hill SRX.
• The product includes Shim Kit per the provided attributes.
• The weight is listed as 0.15 lb.
• The package dimensions are 1.40 x 3.30 x 5.55 inches.
• An additional feature is a Q.D. mount for 30 Cal suppressor as noted in the attributes.
• The subcategory is Muzzle Devices.

This sRx brake is intended to integrate into YHM’s sRx (Suppressor Rx) mounting ecosystem: when paired with the sRx adapter it provides a straightforward Q.D. interface that is low profile and designed to limit gas and debris buildup on threads. It is well suited for shooters building compact suppressor setups or seeking a clean, low‑profile Q.D. mounting option for competitive or precision shooting applications.