Yankee Hill sRx Short Q.D. Muzzle Brake | 11/16×24 | 4445MB24B

The Yankee Hill Machine (YHM) sRx Short Q.D. Muzzle Brake is a low-profile muzzle device designed to interface with the YHM sRx quick-detach adapter system. It provides a compact mounting platform intended to minimize added length and weight when used as part of a suppressor-ready configuration. This brake is intended for use on firearms with the matching thread pattern and requires the YHM sRx adapter to function as a Q.D. interface.

Typical applications include use as part of a slim, suppressor-ready setup for target or precision shooting and for competition builds where minimizing overall length is important.

Product Specifications

• The product type is a Muzzle Brake built for the sRx system.
• The model is listed as sRx / YHM-4445-MB and also referenced as 4445MB24B.
• The thread pattern is 11/16″-24 tpi (NFA thread pattern reported as 11/16×24).
• The device uses a quick-detach (Q.D.) interface compatible with the YHM sRx adapter and HUB standard.
• The sRx interface is designed to engage the industry-standard HUB 1-3/8″ x 24 threads on the adapter.
• The listed muzzle device length is 2.3 inches as reported in product literature.
• The reported length added to barrel is 1.675 inches for barrels with 0.6″ threads (per manufacturer text).
• The reported device diameter is 0.75 inches.
• The finish is described as Black Phosphate / Melonite-style finish in source material.
• The item includes a shim kit per the product attributes.
• The product is intended to be paired with the YHM sRx Adapter YHM-4400 for Q.D. suppressor mounting.
• The listing references compatibility with .308 / 7.62 NATO in its attribute set.
• The listed package dimensions include a length of 5.5500 inches, a width of 3.1500 inches, and a height of 1.4000 inches.
• The item weight is listed as 0.12 lb in the product attributes.
• The UPC for this product is 841812101819.

The YHM sRx Short Q.D. Muzzle Brake is a practical choice for builders seeking a sleek, low-profile suppressor mounting solution that minimizes added length and preserves a clean line on the barrel. Its Q.D. interface and included shim kit simplify alignment in many setups while keeping overall weight low.