The 25 GT cartridge is based on the 6mm GT case, modified to a .25 Cal It effectively bridges the gap between the 6.5 Creedmoor and the 6 GT cartridge, offering reduced recoil compared to the 6.5 Creedmoor while providing enhanced ballistics over the 6mm bullets used in the 6 GT. Each 25 GT case manufactured by Alpha Munitions features the company's optimized case design (OCD) with advanced case head technology. This innovation is intended to extend the lifespan of the primer pocket and the case itself, even under higher-than-normal pressures and velocities. The 25 GT brass is designed to use small rifle primers. Primer pockets precisely engineered to accommodate small rifle primers Advanced enclosure architecture featuring enhanced case head technology for superior performance and efficiency