The AB Suppressor Raptor Adapter 1.375-24 Thread Converter is a precision-engineered piece designed to seamlessly convert the proprietary base-end threading of the Raptor series to the industry-standard 1.375 x 24 TPI. Measuring a compact 0.200" in length this adapter ensures a secure and reliable fit for enhanced compatibility. Built for versatility and durability it is an essential accessory for Raptor series users seeking industry-standard adaptability.