| 摘要 |
A system for cooling the barrel of a firearm thereby maintaining a more consistent barrel temperature and reducing thermal distortion of the barrel. The system includes a fan apparatus for injecting or removing air or other gases to or from the barrel of a firearm. The fan apparatus comprises a first orifice and a second orifice. The first orifice interfaces with the firearm by injecting or removing air or other gases to or from the barrel of the firearm
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