This guide details a comprehensive physical inspection of a Bear Creek Arsenal 16-inch AR-15 barrel, led by an expert from School of the American Rifle. It covers critical measurements like gas port size, headspace, and erosion, along with functional chamber tests and installation techniques including thermal fit and alignment checks. The inspection reveals potential issues with the throat length and crown, impacting compatibility with certain ammunition types.
This comprehensive guide details the autopsy of an Anderson Manufacturing 16-inch carbine barrel, performed by a professional firearms instructor. It covers critical inspection points including headspace, throat depth, muzzle erosion, chamber mapping, alignment, gas port size, and internal condition via borescope. The analysis highlights potential manufacturing defects and their impact on firearm function.
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