Spiral brass plug baffles BB 2021-09-09 Mold coupling 530 FeaturesFeatures: Separatecooling water channels to improve cooling efficiency.Product details Prev：Cooling coupling JWRH/JWRL/JWRF Next：Spiral brass plug baffles BBS Related Information Rifle Z1520 Rifle Z1500 Plug throat Z940/Z941/BBP（inch） Plug throat Z877/Z878/Z94 Shoulder bolt BT618
