OSS Muzzle Brake -QD -5.56mm (.223)-1/2×28

The OSS Muzzle Brake – QD – 5.56mm (.223) – 1/2×28 is built for shooters who want dependable performance and seamless integration with the OSS HX‑QD suppressor series. Because of its precise engineering and high‑quality construction, this muzzle device stands out as a reliable choice for anyone using OSS’s advanced Flow‑Through® suppressor technology. It offers a stable mounting interface while delivering consistent alignment and long‑term durability.

Constructed from robust materials and machined with attention to detail, this muzzle brake supports consistent performance under frequent use. Its 1/2×28 thread pitch allows compatibility with a wide range of rifles chambered in 5.56mm and .223, making it a versatile addition to many platforms. Since OSS suppressors rely on a secure and accurate attachment system, this brake offers a solid foundation for users who want repeatable results.

The brake is intended specifically for the OSS HX‑QD line of silencers, ensuring proper fit and dependable engagement. As a result, shooters benefit from a mounting solution that pairs cleanly with their suppressor while helping maintain alignment throughout repeated sessions.

Enhanced Control and Smooth, Stable Performance

The OSS QD Muzzle Brake is designed to help reduce muzzle movement and provide added control during shooting. Although every rifle behaves differently, the brake’s port structure is engineered to manage gas movement efficiently. As a result, shooters can experience smoother transitions and more stability, especially during rapid strings of fire. This helps create a more predictable shooting experience and supports improved accuracy over time.

In addition, the brake maintains reliable performance whether the rifle is used suppressed or unsuppressed. The design prioritizes balance and consistency, which helps users stay focused on their shooting rather than on unwanted movement or disruption. Because of its compatibility with the HX‑QD suppressor line, users can also enjoy a clean and repeatable connection that supports proper alignment.

The brake’s overall profile is compact and practical. Its streamlined shape complements a wide range of rifle configurations without adding unnecessary bulk. The finish is designed to resist harsh conditions, helping protect the surface while maintaining a professional appearance.

Furthermore, OSS emphasizes selecting the correct caliber when choosing muzzle devices. This 5.56mm (.223) model is built specifically for that caliber range, ensuring a proper match with the intended platforms. This focus on precise calibration helps maintain performance and supports safe, effective operation.

Reliable Construction and User‑Focused Design

Every part of the OSS QD Muzzle Brake is built with a focus on longevity. The machining process ensures consistent quality, and the structure is reinforced to withstand the demands of frequent shooting. Because the brake is designed around the needs of suppressor users, alignment and stability remain key priorities.

The brake provides a dependable interface for the HX‑QD suppressor series, giving shooters the confidence to use their equipment across different environments. Its design also complements modern rifle builds, making it suitable for recreational shooters, enthusiasts, and professionals who expect consistent performance from their components.

Key Features

• Compatible with OSS HX‑QD suppressor series

• Built for rifles chambered in 5.56mm / .223

• Standard 1/2×28 thread pitch

• Supports stable and consistent suppressor alignment

• Designed for improved muzzle control

• Durable construction with high‑quality machining

• Streamlined profile suitable for modern rifle setups