The GSS-1 Selector Switch System is a professional-grade, CNC-machined component designed exclusively for qualified entities conducting advanced firearms research, development, and testing under full ATF compliance. This is not a consumer product. Engineered for institutional use, the GSS-1 facilitates controlled, laboratory-grade analysis of automated firing mechanisms, enabling critical data collection on cyclic rate, durability, and system integration.
Every GSS-1 unit is manufactured to exacting tolerances (±0.0005″) to ensure reliable, repeatable performance in a test environment.
The GSS-1 is a regulated “machinegun” component under the**National Firearms Act (NFA)**. Sale is restricted to verified entities.
4. **Private Entities/Trusts:**Must provide an approved**ATF Form 1 or Form 4**for a registered NFA item.

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