Airsoft Evolution Anti-Freeze Mag Base Seal For VFC AR / M4 Standard GBB Magazine PTW Parts 26″ optical center line above

26″ optical center line above weapon rails

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- 1 Tokyo Marui Model 19 3rd Generation

We have included an o-ring on the threaded barrel to ensure any accessories attached to the outer barrel will be snug and secure

G&P M-Lok / Keymod 85mm Rail (B) ( Black / Grey )

Airsoft Evolution Anti-Freeze Mag Base Seal For VFC AR / M4 Standard GBB Magazine PTW Parts 26″ optical center line aboveEliminate bottom plate gas leaks and improve your magazine's cold weather endurance with the Airsoft Evolution Anti Freeze Magazine Base Seal. Designed specifically for the standard VFC AR M4 GBBR magazines, this heavy duty base seal is a must have upgrade for maintaining a perfect airtight system. Gas blowback magazines are prone to severe temperature drops during rapid firing. Standard factory base seals often freeze, shrink, and crack under these