This video from Brownells' Smyth Busters series, featuring experts Steve and Caleb, debunks the common myth that the AR-15 gas tube requires regular cleaning. Drawing on military armorer experience and gunsmithing knowledge, they explain that normal firing conditions, high pressure, and heat effectively self-clean the gas tube. Cleaning is generally only necessary in specific, non-standard scenarios like extensive blank firing or use of .22 LR conversion kits.
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