[Airsoft Revolution] Enhanced Magazine O Ring[For VFC / Tokyo Marui M4 MWS GBB Seriees] Description: Part No.: SIX-1112 Engineered for demanding airsoft applications, this Enhanced Magazine O Ring delivers superior sealing performance across temperature extremes. The advanced anti-freeze formulation maintains elasticity in cold conditions, preventing seal degradation that compromises gas efficiency and trigger response. Precision-engineered for VFC and Tokyo Marui M4 MWS GBB platforms, it ensures consistent magazine pressure retention and reliable cycling performance. The durable compound resists wear from repeated loading cycles, extending magazine lifespan while maximizing gas efficiency for sustained field performance. Specification: Colour: Black Compatibility: VFC / Tokyo Marui / GHK / M4 Gas Blowback GBB Magazine Weight: 1g* Material: TPR Rubber Length: 50mm Package Contents: Magazine Oring x 1pc