This video details a comparative test of heat dissipation between the Sig P365 Fuse, X-Macro, and X-Macro Legion. After sending the Fuse back to Sig for feed ramp polishing, the reviewer conducted extensive firing drills to measure temperature increases. While the Fuse's feed ramp issues were addressed, the test revealed significant heat buildup in the Fuse's slide compared to the other models, potentially due to its thinner profile and aggressive serrations.
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