Tag: fins
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AR-Fins Barrel Cooling Fins For Inside AR-15 Quad Rails
Had to double down on the posts about the same eBay guy that is selling the Cool Mag. This is too good: Made from .030 stainless chrome alloy that is practically rust proof, and YES it cools your barrel. This serrated pattern is designed for maximum heat dissipation used in Hi-tech heat exchangers. AR-fins are…