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and valves of your airsoft or airgun
anti-corrosive barrier that helps prevent rust
From hiking trails to urban commutes
this high-performance AEG delivers consistent power and smooth operation with every trigger pull
400e Polymer Barrel Kit velocity_340_fps and valves of your airsoftUpgrade the internal barrel of your 400e Gen 2 Polymer rifle with this complete barrel kit, available in your choice of Standard or Precision barrel type. This kit is specifically designed for compatibility with the 400e Gen 2 Polymer, which uses a 357mm barrel length. The 400e Polymer first launched in October 2024 as part of the Gen 2 release. If you purchased your 400e Polymer between October 2024 and June 2025, your rifle came stock with a
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