HK Army HSTL Siegetek springs to dial it your

springs to dial it your desired velocity

The GEN II mount is shorter and lighter overall from the previous model

over current and over temperature protection

Dominant components like the outer barrel

Versatile Stocks

HK Army HSTL Siegetek springs to dial it yourHSTL Goggle System Dual Pane Thermal Lens Built for battle. Designed for comfort. The HSTL Goggle System delivers high impact protection and all day performance in a lightweight, breathable design. Constructed from durable thermoplastic, this goggle offers solid face coverage without sacrificing airflow, visibility, or freedom of movement. Whether you're grinding through a tournament or gearing up for weekend rec play, the HSTL Goggle keeps you locked